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    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1739"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1740"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_1741"/>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_1742"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_AmendmentFlag_0" xml:lang="en-US">Amendment Flag</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_CityAreaCode_0" xml:lang="en-US">City Area Code</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_CoverAbstract_0" xml:lang="en-US">Cover [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_CurrentFiscalYearEndDate_0" xml:lang="en-US">Current Fiscal Year End Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentFiscalPeriodFocus_0" xml:lang="en-US">Document Fiscal Period Focus</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentFiscalYearFocus_0" xml:lang="en-US">Document Fiscal Year Focus</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentPeriodEndDate_0" xml:lang="en-US">Document Period End Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentQuarterlyReport_0" xml:lang="en-US">Document Quarterly Report</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentTransitionReport_0" xml:lang="en-US">Document Transition Report</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_DocumentType_0" xml:lang="en-US">Document Type</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityAddressAddressLine1_0" xml:lang="en-US">Entity Address, Address Line One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityAddressAddressLine2_0" xml:lang="en-US">Entity Address, Address Line Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityAddressCityOrTown_0" xml:lang="en-US">Entity Address, City or Town</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityAddressCountry_0" xml:lang="en-US">Entity Address, Country</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityAddressPostalZipCode_0" xml:lang="en-US">Entity Address, Postal Zip Code</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityAddressStateOrProvince_0" xml:lang="en-US">Entity Address, State or Province</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityCentralIndexKey_0" xml:lang="en-US">Entity Central Index Key</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_0" xml:lang="en-US">Entity Common Stock, Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityCurrentReportingStatus_0" xml:lang="en-US">Entity Current Reporting Status</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityDomain_0" xml:lang="en-US">Entity [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityEmergingGrowthCompany_0" xml:lang="en-US">Entity Emerging Growth Company</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityFileNumber_0" xml:lang="en-US">Entity File Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityFilerCategory_0" xml:lang="en-US">Entity Filer Category</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityIncorporationStateCountryCode_0" xml:lang="en-US">Entity Incorporation, State or Country Code</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityInteractiveDataCurrent_0" xml:lang="en-US">Entity Interactive Data Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityPublicFloat_0" xml:lang="en-US">Entity Public Float</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityRegistrantName_0" xml:lang="en-US">Entity Registrant Name</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityShellCompany_0" xml:lang="en-US">Entity Shell Company</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntitySmallBusiness_0" xml:lang="en-US">Entity Small Business</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityTaxIdentificationNumber_0" xml:lang="en-US">Entity Tax Identification Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityVoluntaryFilers_0" xml:lang="en-US">Entity Voluntary Filers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer_0" xml:lang="en-US">Entity Well Known Seasoned Issuer</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_LegalEntityAxis_0" xml:lang="en-US">Legal Entity [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_dei_LocalPhoneNumber_0" xml:lang="en-US">Local Phone Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_AdditionalCashPayment_0" xml:lang="en-US">Information about additional cash payment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_AdditionalCashPayment_1" xml:lang="en-US">Additional Cash Payment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_AdditionalCashPayment_2" xml:lang="en-US">Additional cash payment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_AdditionalCommonSharesIssuedInEscrow_0" xml:lang="en-US">Number of additional shares issued under share-based payment arrangement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_AdditionalCommonSharesIssuedInEscrow_1" xml:lang="en-US">Additional Common Shares Issued In Escrow</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_AdditionalCommonSharesIssuedInEscrow_2" xml:lang="en-US">Number of additional common shares issued in escrow</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_AdditionalCommonSharesIssuedInEscrowToBeReleased_0" xml:lang="en-US">Represents additional common shares issued in escrow to be released.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_AdditionalCommonSharesIssuedInEscrowToBeReleased_1" xml:lang="en-US">Additional Common Shares Issued In Escrow To Be Released</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_AdditionalCommonSharesIssuedInEscrowToBeReleased_2" xml:lang="en-US">Additional common shares issued in escrow to be released</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_AdditionalExplorationExpenditures_0" xml:lang="en-US">Information about additional exploration expenditures.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_AdditionalExplorationExpenditures_1" xml:lang="en-US">Additional Exploration Expenditures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_AdditionalExplorationExpenditures_2" xml:lang="en-US">Additional exploration expenditures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_AfterOneEightMonthsMember_0" xml:lang="en-US">after 18 months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_AfterOneEightMonthsMember_1" xml:lang="en-US">After One Eight Months [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_AfterOneEightMonthsMember_2" xml:lang="en-US">after 18 months [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_AfterPeriodEndMember_0" xml:lang="en-US">This member represents about after the period end transactions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_AfterPeriodEndMember_1" xml:lang="en-US">After Period End [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_AfterPeriodEndMember_2" xml:lang="en-US">After The Period End [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_AfterTwoFourMonthsMember_0" xml:lang="en-US">after 24 months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_AfterTwoFourMonthsMember_1" xml:lang="en-US">After Two Four Months [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_AfterTwoFourMonthsMember_2" xml:lang="en-US">after 24 months [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_AlbertClarkRichMember_0" xml:lang="en-US">Information related to Albert Clark Rich.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_AlbertClarkRichMember_1" xml:lang="en-US">Albert Clark Rich [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_AmountOfRoyaltyBuyDown_0" xml:lang="en-US">Information about amount of royalty buy-down.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_AmountOfRoyaltyBuyDown_1" xml:lang="en-US">Amount Of Royalty Buy Down</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_AmountOfRoyaltyBuyDown_2" xml:lang="en-US">Half buydown price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_AnotherOneZeroYearsAfterFirstSevenYearLicensingPeriodMember_0" xml:lang="en-US">Another 10 years after the first seven year licensing period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_AnotherOneZeroYearsAfterFirstSevenYearLicensingPeriodMember_1" xml:lang="en-US">Another One Zero Years After First Seven Year Licensing Period [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_AnotherOneZeroYearsAfterFirstSevenYearLicensingPeriodMember_2" xml:lang="en-US">Another 10 years after the first seven year licensing period [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_BatteryManagementTechnologyAbstract_0" xml:lang="en-US">Battery Management Technology [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_BrokersWarrantsMember_0" xml:lang="en-US">Brokers warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_BrokersWarrantsMember_1" xml:lang="en-US">Brokers warrants [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_BrokerWarrantsMember_0" xml:lang="en-US">This member stands for broker warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_BrokerWarrantsMember_1" xml:lang="en-US">Broker Warrants [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_BrokerWarrantsMember_2" xml:lang="en-US">Broker warrants [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_BusinessCombinationConsiderationCashDepositPaid_0" xml:lang="en-US">It represents business combination consideration cash deposit paid.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_BusinessCombinationConsiderationCashDepositPaid_1" xml:lang="en-US">Business Combination Consideration Cash Deposit Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_BusinessCombinationConsiderationCashDepositPaid_2" xml:lang="en-US">Cash deposit paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_BusinessCombinationOfRemainingCashReceived_0" xml:lang="en-US">It represents business combination of remaining cash received.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_BusinessCombinationOfRemainingCashReceived_1" xml:lang="en-US">Business Combination Of Remaining Cash Received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_BusinessCombinationOfRemainingCashReceived_2" xml:lang="en-US">Remainder of cash received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_BusinessCombinationRemainingSubscriptionOfShares_0" xml:lang="en-US">It represents business combination remaining subscription of shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_BusinessCombinationRemainingSubscriptionOfShares_1" xml:lang="en-US">Business Combination Remaining Subscription Of Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_BusinessCombinationRemainingSubscriptionOfShares_2" xml:lang="en-US">Remainder of subscription of shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_CapitalizedCostsWrittenOff_0" xml:lang="en-US">Capitalized costs written off</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_CapitalizedCostsWrittenOff_1" xml:lang="en-US">Capitalized Costs Written Off</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_CapitalizedCostsWrittenOff_2" xml:lang="en-US">Capitalized costs written off</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_CapntrackMember_0" xml:lang="en-US">This member stands for CapNTrack.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_CapntrackMember_1" xml:lang="en-US">Capntrack [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_CapntrackMember_2" xml:lang="en-US">CapNTrack [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_CashConsidaration_0" xml:lang="en-US">Amount of cash received on signing the definitive agreement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_CashConsidaration_1" xml:lang="en-US">Cash Considaration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_CashConsidaration_2" xml:lang="en-US">Cash considaration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_CashConsiderationPaid_0" xml:lang="en-US">Represents the cash consideration paid.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_CashConsiderationPaid_1" xml:lang="en-US">Cash Consideration Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_CashConsiderationPaid_2" xml:lang="en-US">Cash payment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_CashlessOptionExercise_0" xml:lang="en-US">Represents cashless option exercise.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_CashlessOptionExercise_1" xml:lang="en-US">Cashless Option Exercise</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_CashlessOptionExercise_2" xml:lang="en-US">Cashless option exercise</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_CashlessOptionsExercised_0" xml:lang="en-US">The amount represent cashless options exercised.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_enrt_CashlessOptionsExercised_1" xml:lang="en-US">Cashless options exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_CashlessOptionsExercised_2" xml:lang="en-US">Cashless Options Exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_CdicInsuredAmount_0" xml:lang="en-US">The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Canada Deposit Insurance Corporation (CDIC).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_CdicInsuredAmount_1" xml:lang="en-US">Cdic Insured Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_CdicInsuredAmount_2" xml:lang="en-US">CDIC Insured Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ClassOfWarrantOrRightExercised_0" xml:lang="en-US">Class of Warrant or Right, Exercises in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightExercised_1" xml:lang="en-US">Number of warrants, exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ClassOfWarrantOrRightExercised_2" xml:lang="en-US">Class Of Warrant Or Right Exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightExercised_3" xml:lang="en-US">Number of warrants exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightExercised_4" xml:lang="en-US">Class of Warrant or Right, Exercises in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ClassOfWarrantOrRightExercisesInPeriodExercisePrice_0" xml:lang="en-US">Class of Warrant or Right, Exercises in Period, Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ClassOfWarrantOrRightExercisesInPeriodExercisePrice_1" xml:lang="en-US">Class Of Warrant Or Right Exercises In Period Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightExercisesInPeriodExercisePrice_2" xml:lang="en-US">Class of Warrant or Right, Exercises in Period, Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightExercisesInPeriodExercisePrice_3" xml:lang="en-US">Class of Warrant or Right, Exercises in Period, Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ClassOfWarrantOrRightExercisesInPeriodWeightedAverageExercisePrice_0" xml:lang="en-US">Class of Warrant or Right, Exercises in Period, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ClassOfWarrantOrRightExercisesInPeriodWeightedAverageExercisePrice_1" xml:lang="en-US">Class Of Warrant Or Right Exercises In Period Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightExercisesInPeriodWeightedAverageExercisePrice_2" xml:lang="en-US">Warrants exercised, exercise price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightExercisesInPeriodWeightedAverageExercisePrice_3" xml:lang="en-US">Weighted average exercise price, exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ClassOfWarrantOrRightExpirationsInPeriod_0" xml:lang="en-US">Class of Warrant or Right, Expirations in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightExpirationsInPeriod_1" xml:lang="en-US">Number of warrants, Forfeited</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightExpirationsInPeriod_2" xml:lang="en-US">Number of warrants, Forfeited</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ClassOfWarrantOrRightExpirationsInPeriod_3" xml:lang="en-US">Class Of Warrant Or Right Expirations In Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightExpirationsInPeriod_4" xml:lang="en-US">Class of Warrant or Right, Expirations in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightExpirationsInPeriod_5" xml:lang="en-US">Number of warrants forfeited</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ClassOfWarrantOrRightExpirationsInPeriodWeightedAverageExercisePrice_0" xml:lang="en-US">Class of Warrant or Right, Expirations in Period, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ClassOfWarrantOrRightExpirationsInPeriodWeightedAverageExercisePrice_1" xml:lang="en-US">Class Of Warrant Or Right Expirations In Period Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightExpirationsInPeriodWeightedAverageExercisePrice_2" xml:lang="en-US">Weighted Average Exercise Price, Forfeited</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ClassOfWarrantOrRightExpiryDatesExtendedDuringPeriod_0" xml:lang="en-US">Class of Warrant or Right, Expiry dates extended during period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ClassOfWarrantOrRightExpiryDatesExtendedDuringPeriod_1" xml:lang="en-US">Class Of Warrant Or Right Expiry Dates Extended During Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightExpiryDatesExtendedDuringPeriod_2" xml:lang="en-US">Class of Warrant or Right, Expiry dates extended during period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ClassOfWarrantOrRightForfeitedInPeriod_0" xml:lang="en-US">Represents number of warrants or right forfeited in period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightForfeitedInPeriod_1" xml:lang="en-US">Number of warrants, forfeited</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightForfeitedInPeriod_2" xml:lang="en-US">Number of warrants, Forfeited</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ClassOfWarrantOrRightForfeitedInPeriod_3" xml:lang="en-US">Class Of Warrant Or Right Forfeited In Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightForfeitedInPeriod_4" xml:lang="en-US">Class of Warrant or Right, Expirations in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightForfeitedInPeriod_5" xml:lang="en-US">Number of warrants forfeited</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ClassOfWarrantOrRightForfeitedInPeriodWeightedAverageExercisePrice_0" xml:lang="en-US">Represents weighted average exercise price of class of warrant or right forfeited in period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ClassOfWarrantOrRightForfeitedInPeriodWeightedAverageExercisePrice_1" xml:lang="en-US">Class Of Warrant Or Right Forfeited In Period Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightForfeitedInPeriodWeightedAverageExercisePrice_2" xml:lang="en-US">Warrants exercised, exercise price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightForfeitedInPeriodWeightedAverageExercisePrice_3" xml:lang="en-US">Weighted average exercise price, forfeited</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ClassOfWarrantOrRightGrantsInPeriod_0" xml:lang="en-US">Class of Warrant or Right, Grants in Period, Net of Forfeitures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ClassOfWarrantOrRightGrantsInPeriod_1" xml:lang="en-US">Class Of Warrant Or Right Grants In Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightGrantsInPeriod_2" xml:lang="en-US">Number of warrants issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightGrantsInPeriod_3" xml:lang="en-US">Number of warrants, issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ClassOfWarrantOrRightGrantsInPeriodContractualTerm_0" xml:lang="en-US">Class of Warrant or Right, Grants in Period, Contractual Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ClassOfWarrantOrRightGrantsInPeriodContractualTerm_1" xml:lang="en-US">Class Of Warrant Or Right Grants In Period Contractual Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightGrantsInPeriodContractualTerm_2" xml:lang="en-US">Class of Warrant or Right, Grants in Period, Contractual Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ClassOfWarrantOrRightGrantsInPeriodValue_0" xml:lang="en-US">Warrants Issued During Period, Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ClassOfWarrantOrRightGrantsInPeriodValue_1" xml:lang="en-US">Class Of Warrant Or Right Grants In Period Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightGrantsInPeriodValue_2" xml:lang="en-US">Warrants Issued During Period, Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ClassOfWarrantOrRightGrantsInPeriodWeightedAverageExercisePrice_0" xml:lang="en-US">Class of Warrant or Right, Grants in Period, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ClassOfWarrantOrRightGrantsInPeriodWeightedAverageExercisePrice_1" xml:lang="en-US">Class Of Warrant Or Right Grants In Period Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightGrantsInPeriodWeightedAverageExercisePrice_2" xml:lang="en-US">Weighted average exercise price, issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ClassOfWarrantOrRightIntrinsicValue_0" xml:lang="en-US">Represents the amount of class of warrant or right intrinsic value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ClassOfWarrantOrRightIntrinsicValue_1" xml:lang="en-US">Class Of Warrant Or Right Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightIntrinsicValue_2" xml:lang="en-US">Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ClassOfWarrantOrRightIssued_0" xml:lang="en-US">Class of Warrant or Right, issued.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ClassOfWarrantOrRightIssued_1" xml:lang="en-US">Class Of Warrant Or Right, Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ClassOfWarrantOrRightIssuedPerShare_0" xml:lang="en-US">Class of Warrant or Right, issued per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ClassOfWarrantOrRightIssuedPerShare_1" xml:lang="en-US">Class Of Warrant Or Right, Issued Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightIssuedPerShare_2" xml:lang="en-US">Class of warrant or right, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice_0" xml:lang="en-US">Class of Warrant or Right, Outstanding, Weighted Average Exercise Price, Beginning of Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice_1" xml:lang="en-US">Weighted average exercise price, outstanding, end of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_enrt_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice_2" xml:lang="en-US">Weighted average exercise price, outstanding, beginning of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice_3" xml:lang="en-US">Class Of Warrant Or Right Outstanding Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ClaytonValleyMember_0" xml:lang="en-US">Clayton Valley, Nevada.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ClaytonValleyMember_1" xml:lang="en-US">Clayton Valley [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ClaytonValleyMember_2" xml:lang="en-US">Clayton Valley [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_CleanTechnologiesMember_0" xml:lang="en-US">This member stands for clean technologies.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_CleanTechnologiesMember_1" xml:lang="en-US">Clean Technologies [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_CleanTechnologiesMember_2" xml:lang="en-US">Clean Technologies [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_CleanTechnologyExpenseOfPrepaidExpensesCurrent_0" xml:lang="en-US">The amount of clean technology expense.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_CleanTechnologyExpenseOfPrepaidExpensesCurrent_1" xml:lang="en-US">Clean Technology Expense Of Prepaid Expenses Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_CleanTechnologyExpenseOfPrepaidExpensesCurrent_2" xml:lang="en-US">Clean Technology Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_CommissionOnCapitalRaised_0" xml:lang="en-US">Commission on Capital raised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_CommissionOnCapitalRaised_1" xml:lang="en-US">Commission On Capital Raised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_CommissionOnCapitalRaised_2" xml:lang="en-US">Commission on capital raised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ComparativeInformationPolicyTextBlock_0" xml:lang="en-US">Disclosure of accounting policy for Comparative Information</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ComparativeInformationPolicyTextBlock_1" xml:lang="en-US">Comparative Information [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ComponentsOfDeferredTaxAssetsAxis_0" xml:lang="en-US">Components of Deferred Tax Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ComponentsOfDeferredTaxAssetsAxis_1" xml:lang="en-US">Components of Deferred Tax Assets [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ComponentsOfDeferredTaxAssetsDomain_0" xml:lang="en-US">Components of Deferred Tax Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ComponentsOfDeferredTaxAssetsDomain_1" xml:lang="en-US">Components of Deferred Tax Assets [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ConsultantFiveMember_0" xml:lang="en-US">This member represents information about consultants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ConsultantFiveMember_1" xml:lang="en-US">Consultant Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ConsultantFiveMember_2" xml:lang="en-US">Consultant 5 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ConsultantFourMember_0" xml:lang="en-US">This member represents information about consultants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ConsultantFourMember_1" xml:lang="en-US">Consultant Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ConsultantFourMember_2" xml:lang="en-US">Consultant 4 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ConsultantMember_0" xml:lang="en-US">Information about consultant.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ConsultantMember_1" xml:lang="en-US">Consultant [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ConsultantMember_2" xml:lang="en-US">Mark Snyder [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ConsultantOneMember_0" xml:lang="en-US">This member represents information about consultants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ConsultantOneMember_1" xml:lang="en-US">Consultant One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ConsultantOneMember_2" xml:lang="en-US">One Consultant [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ConsultantOneMember_3" xml:lang="en-US">Consultant 1 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ConsultantsAndOfficersMember_0" xml:lang="en-US">This member stands for consultants and officers.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ConsultantsAndOfficersMember_1" xml:lang="en-US">Consultants And Officers [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ConsultantsAndOfficersMember_2" xml:lang="en-US">Consultants and officers [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ConsultantSevenMember_0" xml:lang="en-US">Consultant Seven [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ConsultantSevenMember_1" xml:lang="en-US">Consultant 7 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ConsultantSixMember_0" xml:lang="en-US">This member represents information about consultants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ConsultantSixMember_1" xml:lang="en-US">Consultant Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ConsultantSixMember_2" xml:lang="en-US">Consultant 6 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ConsultantsMember_0" xml:lang="en-US">This member stands for consultants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ConsultantsMember_1" xml:lang="en-US">Consultants [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ConsultantThreeMember_0" xml:lang="en-US">This member represents information about consultants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ConsultantThreeMember_1" xml:lang="en-US">Consultant Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ConsultantThreeMember_2" xml:lang="en-US">Consultant 3 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ConsultantTwoMember_0" xml:lang="en-US">This member represents information about consultants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ConsultantTwoMember_1" xml:lang="en-US">Consultant Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ConsultantTwoMember_2" xml:lang="en-US">Consultant 2 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ConsultingContractMember_0" xml:lang="en-US">Information related to consulting contract.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ConsultingContractMember_1" xml:lang="en-US">Consulting Contract [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ConsultingContractMember_2" xml:lang="en-US">Consulting contract [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ConsultingFees_0" xml:lang="en-US">Amount of consulting fees.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ConsultingFees_1" xml:lang="en-US">Consulting Fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ConsultingFees_2" xml:lang="en-US">Consulting fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ContractAmount_0" xml:lang="en-US">Represents contract amount.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ContractAmount_1" xml:lang="en-US">Contract Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ContractAmount_2" xml:lang="en-US">Contract amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_CypressDevelopmentCorpMember_0" xml:lang="en-US">This member stands for Cypress Development Corp.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_CypressDevelopmentCorpMember_1" xml:lang="en-US">Cypress Development Corp [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_DeferredTaxAssetsLiabilityLineItems_0" xml:lang="en-US">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_DeferredTaxAssetsLiabilityLineItems_1" xml:lang="en-US">Deferred Tax Assets Liability [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_DefinitiveAgreementMember_0" xml:lang="en-US">Information related to definitive agreement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_DefinitiveAgreementMember_1" xml:lang="en-US">Definitive Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_DefinitiveAgreementMember_2" xml:lang="en-US">Definitive Purchase and Sale Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_DefinitiveAgreementMember_3" xml:lang="en-US">Definitive agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_DescriptionOfUnitsIssuanceInPrivatePlacement_0" xml:lang="en-US">Description of units issuance in private placement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_DescriptionOfUnitsIssuanceInPrivatePlacement_1" xml:lang="en-US">Description Of Units Issuance In Private Placement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_DescriptionOfUnitsIssuanceInPrivatePlacement_2" xml:lang="en-US">Description of units issuance in private placement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_DirectorTwoMember_0" xml:lang="en-US">Person serving as a Director.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_DirectorTwoMember_1" xml:lang="en-US">Director Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_DirectorTwoMember_2" xml:lang="en-US">Two Directors [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_DisclosureOfWarrantsIssuedAndExercisableTableTextBlock_0" xml:lang="en-US">Tabular disclosure of warrants issued and exercisable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_DisclosureOfWarrantsIssuedAndExercisableTableTextBlock_1" xml:lang="en-US">Disclosure Of Warrants Issued And Exercisable [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_DisclosureOfWarrantsIssuedAndExercisableTableTextBlock_2" xml:lang="en-US">Schedule of warrants issued and exercisable [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_DocumentAndEntityInformationAbstract_0" xml:lang="en-US">Document and Entity Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_DocumentAndEntityInformationAbstract_1" xml:lang="en-US">Document and Entity Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_DrillingExpenses_0" xml:lang="en-US">Amount of Drilling expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_DrillingExpenses_1" xml:lang="en-US">Drilling Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_DrillingExpenses_2" xml:lang="en-US">Drilling</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_DueToRelatedParty_0" xml:lang="en-US">Due to related party</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_enrt_DueToRelatedParty_1" xml:lang="en-US">Due to related parties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_DueToRelatedParty_2" xml:lang="en-US">Due To Related Party</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_DuringPeriodMember_0" xml:lang="en-US">This member represents about during the period transactions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_DuringPeriodMember_1" xml:lang="en-US">During Period [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_DuringPeriodMember_2" xml:lang="en-US">During The Period [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_EaglePlainsResourcesLtdMember_0" xml:lang="en-US">Information about eagle plains resources Ltd.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_EaglePlainsResourcesLtdMember_1" xml:lang="en-US">Eagle Plains Resources Ltd [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_EaglePlainsResourcesLtdMember_2" xml:lang="en-US">Eagle Plains Resources Ltd [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_EnergyManagementsTechnologyTextBlock_0" xml:lang="en-US">The entire disclosure about the Energy management technology.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_EnergyManagementsTechnologyTextBlock_1" xml:lang="en-US">Energy Managements Technology [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_EnergyManagementsTechnologyTextBlock_2" xml:lang="en-US">ENERGY MANAGEMENT SYSTEM ("EMS") [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_EnergyManagementSystemMember_0" xml:lang="en-US">This member stands for energy management system.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_EnergyManagementSystemMember_1" xml:lang="en-US">Energy Management System [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_EnergyManagementSystemMember_2" xml:lang="en-US">Energy Management Systems [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_EnergyManagementTechnologyAbstract_0" xml:lang="en-US">Energy Management Technology [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_EnergyManagementTechnologyMember_0" xml:lang="en-US">Represents Energy management technology [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_EnergyManagementTechnologyMember_1" xml:lang="en-US">Energy Management Technology [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_EnergyManagementTechnologyOneMember_0" xml:lang="en-US">Energy Management Technology.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_EnergyManagementTechnologyOneMember_1" xml:lang="en-US">Energy Management Technology One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_EnergyManagementTechnologyTextBlock_0" xml:lang="en-US">The entire disclosure about the Energy management technology.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_EnergyManagementTechnologyTextBlock_1" xml:lang="en-US">Energy Management Technology [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_EnergyManagementTechnologyTextBlock_2" xml:lang="en-US">ENERGY MANAGEMENT SYSTEM ("EMS") [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_EquityTransactionAxis_0" xml:lang="en-US">Equity Transaction [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_EquityTransactionAxis_1" xml:lang="en-US">Equity Transaction [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_EquityTransactionDomain_0" xml:lang="en-US">Equity Transaction [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_EquityTransactionDomain_1" xml:lang="en-US">Equity Transaction [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_EquityTransactionOneMember_0" xml:lang="en-US">Equity Transaction 1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_EquityTransactionOneMember_1" xml:lang="en-US">Equity Transaction One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_EquityTransactionOneMember_2" xml:lang="en-US">Equity Transaction 1 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_EquityTransactionTwoMember_0" xml:lang="en-US">Equity Transaction 2</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_EquityTransactionTwoMember_1" xml:lang="en-US">Equity Transaction Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_EquityTransactionTwoMember_2" xml:lang="en-US">Equity Transaction 2 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_EsmeraldaCountyNevadaMember_0" xml:lang="en-US">This members stands for Esmeralda County, Nevada.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_EsmeraldaCountyNevadaMember_1" xml:lang="en-US">Esmeralda County Nevada [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_EsmeraldaCountyNevadaMember_2" xml:lang="en-US">Esmeralda County Nevada [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ExplorationCostsOfPrepaidExpensesDeposits_0" xml:lang="en-US">The amount of planned drilling program recorded in Prepaid Expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ExplorationCostsOfPrepaidExpensesDeposits_1" xml:lang="en-US">Exploration Costs Of Prepaid Expenses &amp; Deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ExplorationCostsOfPrepaidExpensesDeposits_2" xml:lang="en-US">Exploration costs of prepaid expenses &amp; deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_FairValueOfSharesIssuedForHydrogenTechnology_0" xml:lang="en-US">Represent amount of fair value of shares issued for hydrogen technology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_FairValueOfSharesIssuedForHydrogenTechnology_1" xml:lang="en-US">Fair Value Of Shares Issued For Hydrogen Technology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_FairValueOfSharesIssuedForHydrogenTechnology_2" xml:lang="en-US">Fair value of shares issued for hydrogen technology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_FairValueOfWarrants_0" xml:lang="en-US">Amount of fair value of warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_FairValueOfWarrants_1" xml:lang="en-US">Fair Value Of Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_FairValueOfWarrants_2" xml:lang="en-US">Fair value of warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_FairValueOfWarrants_3" xml:lang="en-US">Warrants paid to third parties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_FinancingCostsMember_0" xml:lang="en-US">Financing costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_FinancingCostsMember_1" xml:lang="en-US">Financing costs [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_FindersFee_0" xml:lang="en-US">Amount of finder's fee.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_FindersFee_1" xml:lang="en-US">Finders Fee</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_FindersFee_2" xml:lang="en-US">Finders fee</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_FlatheadBusinessSolutionsMember_0" xml:lang="en-US">Information about flathead business solutions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_FlatheadBusinessSolutionsMember_1" xml:lang="en-US">Flathead Business Solutions [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_FullBrokerWarrantsIssued_0" xml:lang="en-US">Number of full broker warrants issued.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_FullBrokerWarrantsIssued_1" xml:lang="en-US">Full Broker Warrants Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_FullBrokerWarrantsIssued_2" xml:lang="en-US">Full broker warrants issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_GeologistsExpenses_0" xml:lang="en-US">Amount of geologists expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_GeologistsExpenses_1" xml:lang="en-US">Geologists Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_GeologistsExpenses_2" xml:lang="en-US">Geologists</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_GoingConcernUncertaintyAbstract_0" xml:lang="en-US">Going Concern Uncertainty [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_GoingConcernUncertaintyLineItems_0" xml:lang="en-US">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_GoingConcernUncertaintyLineItems_1" xml:lang="en-US">Going Concern Uncertainty [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_GoingConcernUncertaintyTable_0" xml:lang="en-US">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_GoingConcernUncertaintyTable_1" xml:lang="en-US">Going Concern Uncertainty [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_GrayscaleBitcoinTrustMember_0" xml:lang="en-US">Grayscale Bitcoin Trust.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_GrayscaleBitcoinTrustMember_1" xml:lang="en-US">Grayscale Bitcoin Trust [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_GrossProceedsOfUnitsIssuedInFinalTrancheOfPrivatePlacement_0" xml:lang="en-US">Gross proceeds of units issued in final tranche of private placement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_GrossProceedsOfUnitsIssuedInFinalTrancheOfPrivatePlacement_1" xml:lang="en-US">Gross Proceeds Of Units Issued In Final Tranche Of Private Placement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_GrossProceedsOfUnitsIssuedInFinalTrancheOfPrivatePlacement_2" xml:lang="en-US">Gross proceeds from issuance of units in final tranche of private placement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_HydrogenTechnologyMember_0" xml:lang="en-US">Information about hydrogen technology.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_HydrogenTechnologyMember_1" xml:lang="en-US">Hydrogen Technology [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IncomeFromRoyaltyGrant_0" xml:lang="en-US">It represents income from royalty grant.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_enrt_IncomeFromRoyaltyGrant_1" xml:lang="en-US">Income from Royalty grant</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IncomeFromRoyaltyGrant_2" xml:lang="en-US">Income From Royalty Grant</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IncomeFromSaleOfMineralProperty_0" xml:lang="en-US">Represents the amount of income from sale of mineral property.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_enrt_IncomeFromSaleOfMineralProperty_1" xml:lang="en-US">Income from mineral property sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IncomeFromSaleOfMineralProperty_2" xml:lang="en-US">Income From Sale Of Mineral Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_IncomeFromSaleOfMineralProperty_3" xml:lang="en-US">Income from mineral property sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_IncomeFromSaleOfMineralProperty_4" xml:lang="en-US">Gain from mineral property sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_InvestmentValueClosingRatePerShares_0" xml:lang="en-US">Represents about investment value, closing rate per shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_InvestmentValueClosingRatePerShares_1" xml:lang="en-US">Investment Value, Closing Rate Per Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_InvestmentValueClosingRatePerShares_2" xml:lang="en-US">Investment value, closing rate per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_InvestmentValueDiscountPercentage_0" xml:lang="en-US">Represents about investment value, discount percentage.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_InvestmentValueDiscountPercentage_1" xml:lang="en-US">Investment Value, Discount Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_InvestmentValueDiscountPercentage_2" xml:lang="en-US">Investment value, discount percentage.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IssueDateAxis_0" xml:lang="en-US">Information of issue date for options granted.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IssueDateAxis_1" xml:lang="en-US">Issue Date [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IssueDateDomain_0" xml:lang="en-US">Information of issue date for options granted.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_IssueDateEightMember_3" xml:lang="en-US">Option exercise price 0.02 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IssueDateElevenMember_0" xml:lang="en-US">Issue Date eleven.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_IssueDateElevenMember_2" xml:lang="en-US">February 4, 2021 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_IssueDateElevenMember_3" xml:lang="en-US">Option Exercise Price 0.18 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IssueDateFifteenMember_0" xml:lang="en-US">Issue Date Fifteen [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IssueDateFiveMember_0" xml:lang="en-US">Issue Date five.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_IssueDateFiveMember_2" xml:lang="en-US">6-Jun-25 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_IssueDateFiveMember_3" xml:lang="en-US">Option exercise price 0.05 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IssueDateFourMember_0" xml:lang="en-US">Issue Date four.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IssueDateFourMember_1" xml:lang="en-US">Issue Date Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_IssueDateFourMember_2" xml:lang="en-US">18-Aug-22 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_IssueDateFourMember_3" xml:lang="en-US">Option exercise price 0.10 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IssueDateFourteenMember_0" xml:lang="en-US">Issue Date fourteen</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IssueDateFourteenMember_1" xml:lang="en-US">Issue Date Fourteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_IssueDateFourteenMember_2" xml:lang="en-US">Option Exercise Price 0.06 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_IssueDateFourteenMember_3" xml:lang="en-US">May 28, 2021 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IssueDateMember_0" xml:lang="en-US">Issue Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IssueDateMember_1" xml:lang="en-US">Issue Date [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_IssueDateMember_2" xml:lang="en-US">27-Apr-21 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IssueDateNineMember_0" xml:lang="en-US">Issue Date nine.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IssueDateNineMember_2" xml:lang="en-US">Issue Date Nine [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_IssueDateNineMember_3" xml:lang="en-US">6-Dec-21 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_IssueDateNineMember_4" xml:lang="en-US">Option exercise price 0.05 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IssueDateNineMemberMember_0" xml:lang="en-US">Represent the member of Issue Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IssueDateNineMemberMember_1" xml:lang="en-US">Issue Date Nine Member [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_IssueDateNineMemberMember_2" xml:lang="en-US">6-Jun-25 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IssueDateOneMember_0" xml:lang="en-US">Issue Date one</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IssueDateOneMember_1" xml:lang="en-US">Issue Date One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_IssueDateOneMember_2" xml:lang="en-US">28-May-21 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_IssueDateOneMember_3" xml:lang="en-US">Option exercise price 0.07 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IssueDateSevenMember_0" xml:lang="en-US">Issue Date seven.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IssueDateSevenMember_1" xml:lang="en-US">Issue Date Seven [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_IssueDateSevenMember_2" xml:lang="en-US">6-Dec-21 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_IssueDateSevenMember_3" xml:lang="en-US">Option exercise price 0.07 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IssueDateSixMember_0" xml:lang="en-US">Issue Date six.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IssueDateSixMember_1" xml:lang="en-US">Issue Date Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_IssueDateSixMember_2" xml:lang="en-US">25-Feb-26 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_IssueDateSixMember_3" xml:lang="en-US">Option exercise price 0.06 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IssueDateSixteenMember_0" xml:lang="en-US">Issue Date Sixteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_IssueDateSixteenMember_1" xml:lang="en-US">December 6, 2021 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IssueDateTenMember_0" xml:lang="en-US">Issue Date Ten [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_IssueDateTenMember_1" xml:lang="en-US">18-Aug-22 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_IssueDateTenMember_2" xml:lang="en-US">Option Exercise Price 0.14 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IssueDateThirteenMember_0" xml:lang="en-US">Issue Date thirteen</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IssueDateThirteenMember_1" xml:lang="en-US">Issue Date Thirteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_IssueDateThirteenMember_2" xml:lang="en-US">April 27, 2021 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_IssueDateThirteenMember_3" xml:lang="en-US">Option Exercise Price 0.08 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IssueDateThreeMember_0" xml:lang="en-US">Issue Date three.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IssueDateThreeMember_1" xml:lang="en-US">Issue Date Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_IssueDateThreeMember_2" xml:lang="en-US">6-Dec-21 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_IssueDateThreeMember_3" xml:lang="en-US">Option exercise price 0.07 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IssueDateTwelveMember_0" xml:lang="en-US">Issue Date twelve</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IssueDateTwelveMember_1" xml:lang="en-US">Issue Date Twelve [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_IssueDateTwelveMember_2" xml:lang="en-US">Option Exercise Price 0.18 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_IssueDateTwelveMember_3" xml:lang="en-US">February 5, 2021 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_IssueDateTwoMember_0" xml:lang="en-US">Issue Date two.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_IssueDateTwoMember_1" xml:lang="en-US">Issue Date Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_IssueDateTwoMember_2" xml:lang="en-US">1-Sep-21 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_IssueDateTwoMember_3" xml:lang="en-US">Option exercise price 0.07 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_JointVentureMember_0" xml:lang="en-US">This member stands for joint venture.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_JointVentureMember_1" xml:lang="en-US">Joint Venture [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_LithiumTechnologyPolicyTextBlock_0" xml:lang="en-US">Lithium Technology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_LithiumTechnologyPolicyTextBlock_1" xml:lang="en-US">Lithium Technology [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_MarketableSecuritiesRealizedForeignExchangeLoss_0" xml:lang="en-US">Amount of marketable securities realized foreign exchange loss.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_enrt_MarketableSecuritiesRealizedForeignExchangeLoss_1" xml:lang="en-US">Foreign exchange loss on disposal of marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_MarketableSecuritiesRealizedForeignExchangeLoss_2" xml:lang="en-US">Marketable Securities Realized Foreign Exchange Loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_MarketableSecuritiesRealizedForeignExchangeLoss_3" xml:lang="en-US">Realized Foreign exchange loss on disposal</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_MarketableSecuritiesRealizedForeignExchangeLoss_4" xml:lang="en-US">Realized foreign exchange gain (loss) on marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_MarketableSecuritiesUnrealizedForeignExchangeLoss_0" xml:lang="en-US">Amount of marketable securities unrealized foreign exchange loss.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_enrt_MarketableSecuritiesUnrealizedForeignExchangeLoss_1" xml:lang="en-US">Unrealized foreign exchange loss on marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_MarketableSecuritiesUnrealizedForeignExchangeLoss_2" xml:lang="en-US">Marketable Securities Unrealized Foreign Exchange Loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_MarketableSecuritiesUnrealizedForeignExchangeLoss_3" xml:lang="en-US">Unrealized foreign exchange gain (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_MarketableSecuritiesUnrealizedForeignExchangeLoss_4" xml:lang="en-US">Unrealized foreign exchange gain (loss) on marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_MarkSnyderAndPaulSandlerMember_0" xml:lang="en-US">Represents Mr. Mark Snyder and Paul Sandler [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_MarkSnyderAndPaulSandlerMember_1" xml:lang="en-US">Mark Snyder And Paul Sandler [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_MarkSnyderAndPaulSandlerMember_2" xml:lang="en-US">Mr. Mark Snyder and Paul Sandler [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_MarkSnyderMember_0" xml:lang="en-US">Information related to Mark Snyder.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_MarkSnyderMember_1" xml:lang="en-US">Mark Snyder [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_MineralExplorationCosts_0" xml:lang="en-US">Mineral exploration costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_MineralExplorationCosts_1" xml:lang="en-US">Mineral Exploration Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_MineralExplorationCosts_2" xml:lang="en-US">Mineral exploration costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_MineralIndustriesLineItems_0" xml:lang="en-US">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_MineralIndustriesLineItems_1" xml:lang="en-US">Mineral Industries [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_MineralIndustriesTable_0" xml:lang="en-US">Disclosure of information about Mineral Industries.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_MineralIndustriesTable_1" xml:lang="en-US">Mineral Industries [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_MineralPropertyPayment_0" xml:lang="en-US">Maintenance Fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_MineralPropertyPayment_1" xml:lang="en-US">Mineral Property Payment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_MineralPropertyPayment_2" xml:lang="en-US">Maintenance Fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_MineralPropertyRightsAcquisitionAndExplorationAndDevelopmentExpendituresPolicyTextBlock_0" xml:lang="en-US">Mineral Property Rights Acquisition and Exploration and Development Expenditures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_MineralPropertyRightsAcquisitionAndExplorationAndDevelopmentExpendituresPolicyTextBlock_1" xml:lang="en-US">Mineral Property Rights Acquisition And Exploration And Development Expenditures Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_MineralPropertyRightsAcquisitionAndExplorationAndDevelopmentExpendituresPolicyTextBlock_2" xml:lang="en-US">Mineral Properties [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NaturalResourcesMember_0" xml:lang="en-US">This member stand for Natural Resources.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NaturalResourcesMember_1" xml:lang="en-US">Natural Resources [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NetIncomeLossPerCommonShareAbstract_0" xml:lang="en-US">n/a</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NetIncomeLossPerCommonShareAbstract_1" xml:lang="en-US">Net Income (Loss) Per Common Share [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NetProceedsFromSubscriptionsReceived_0" xml:lang="en-US">Net proceeds from subscriptions received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NetProceedsFromSubscriptionsReceived_1" xml:lang="en-US">Net Proceeds From Subscriptions Received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_NetProceedsFromSubscriptionsReceived_2" xml:lang="en-US">Net proceeds from subscriptions received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_NetProceedsFromSubscriptionsReceived_3" xml:lang="en-US">Net proceeds from subscriptions received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NetProceedsFromWarrantsExercised_0" xml:lang="en-US">Proceeds from Warrants exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NetProceedsFromWarrantsExercised_1" xml:lang="en-US">Net Proceeds From Warrants Exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_NetProceedsFromWarrantsExercised_2" xml:lang="en-US">Proceeds from Warrants exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NotesToFinancialStatementsAbstract_0" xml:lang="en-US">Notes to Financial Statements [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NotesToFinancialStatementsAbstract_1" xml:lang="en-US">Notes to Financial Statements [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NumberOfAdditionalCommonSharesInEscrow_0" xml:lang="en-US">Represents the number of additional shares in escrow.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NumberOfAdditionalCommonSharesInEscrow_1" xml:lang="en-US">Number Of Additional Common Shares In Escrow</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_NumberOfAdditionalCommonSharesInEscrow_2" xml:lang="en-US">Additional common shares in escrow</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NumberOfCommonSharesInEscrow_0" xml:lang="en-US">Represents the number of common shares in escrow.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NumberOfCommonSharesInEscrow_1" xml:lang="en-US">Number Of Common Shares In Escrow</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_NumberOfCommonSharesInEscrow_2" xml:lang="en-US">Number of common shares in escrow</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NumberOfCommonSharesReservedAllottedAndIssuedPursuantToOptions_0" xml:lang="en-US">Represent the number of Common Shares reserved, allotted and issued pursuant to Options.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NumberOfCommonSharesReservedAllottedAndIssuedPursuantToOptions_1" xml:lang="en-US">Number Of Common Shares Reserved, Allotted And Issued Pursuant To Options</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_NumberOfCommonSharesReservedAllottedAndIssuedPursuantToOptions_2" xml:lang="en-US">Number of common shares reserved, allotted and issued pursuant to options</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NumberOfMarketableSecuritiesSold_0" xml:lang="en-US">Number of marketable securities sold.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NumberOfMarketableSecuritiesSold_1" xml:lang="en-US">Number Of Marketable Securities Sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_NumberOfMarketableSecuritiesSold_2" xml:lang="en-US">Number of marketable securities sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NumberOfSharesHeldInEscrow_0" xml:lang="en-US">Number of shares held in escrow.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NumberOfSharesHeldInEscrow_1" xml:lang="en-US">Number Of Shares Held In Escrow</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_NumberOfSharesHeldInEscrow_2" xml:lang="en-US">Number of shares held in escrow</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NumberOfSharesHeldInEscrowUnderProcessToRelease_0" xml:lang="en-US">This element represents about number of shares held in escrow under process to release.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NumberOfSharesHeldInEscrowUnderProcessToRelease_1" xml:lang="en-US">Number Of Shares Held In Escrow Under Process To Release</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_NumberOfSharesHeldInEscrowUnderProcessToRelease_2" xml:lang="en-US">Number of shares held in escrow under process to release</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NumberOfSharesIssuedInExerciseOfOptions_0" xml:lang="en-US">Number of shares issued in exercise of options.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NumberOfSharesIssuedInExerciseOfOptions_1" xml:lang="en-US">Number Of Shares Issued In Exercise Of Options</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_NumberOfSharesIssuedInExerciseOfOptions_2" xml:lang="en-US">Stock options exercised (shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_NumberOfSharesIssuedInExerciseOfOptions_3" xml:lang="en-US">Number of common shares issued in exercise of options</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NumberOfSharesIssuedPostConsolidationRoundUpShares_0" xml:lang="en-US">Number of shares issued, post consolidation round up shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NumberOfSharesIssuedPostConsolidationRoundUpShares_1" xml:lang="en-US">Number Of Shares Issued Post Consolidation Round Up Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_NumberOfSharesIssuedPostConsolidationRoundUpShares_2" xml:lang="en-US">Number of shares issued, post consolidation round up shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NumberOfSharesReceivedForMineralPropertySale_0" xml:lang="en-US">Number of shares received for mineral property sale.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NumberOfSharesReceivedForMineralPropertySale_1" xml:lang="en-US">Number Of Shares Received For Mineral Property Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_NumberOfSharesReceivedForMineralPropertySale_2" xml:lang="en-US">Number of shares received for mineral property sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NumberOfSharesSoldDuringPeriod_0" xml:lang="en-US">Number of shares sold during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NumberOfSharesSoldDuringPeriod_1" xml:lang="en-US">Number Of Shares Sold During Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_NumberOfSharesSoldDuringPeriod_2" xml:lang="en-US">Number of shares sold during period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NumberOfStockIssuedForPatents_0" xml:lang="en-US">Represents the number of stock issued for patents.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NumberOfStockIssuedForPatents_1" xml:lang="en-US">Number Of Stock Issued For Patents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_NumberOfStockIssuedForPatents_2" xml:lang="en-US">Shares issued for patent (shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NumberOfUnitsIssued_0" xml:lang="en-US">Represent the number of units issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NumberOfUnitsIssued_1" xml:lang="en-US">Number Of Units Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_NumberOfUnitsIssued_2" xml:lang="en-US">Number of units issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NumberOfUnitsIssuedInFinalTrancheOfPrivatePlacement_0" xml:lang="en-US">Number of units issued in final tranche of private placement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NumberOfUnitsIssuedInFinalTrancheOfPrivatePlacement_1" xml:lang="en-US">Number Of Units Issued In Final Tranche Of Private Placement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_NumberOfUnitsIssuedInFinalTrancheOfPrivatePlacement_2" xml:lang="en-US">Number of units issued in final tranche of private placement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NumberOfWarrantsExercised_0" xml:lang="en-US">Number of warrants exercised.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NumberOfWarrantsExercised_1" xml:lang="en-US">Number Of Warrants Exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_NumberOfWarrantsExercised_2" xml:lang="en-US">Number of warrants exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_NumberOfWarrantsIssued_0" xml:lang="en-US">Number of warrants issued.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_NumberOfWarrantsIssued_1" xml:lang="en-US">Number Of Warrants Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_NumberOfWarrantsIssued_2" xml:lang="en-US">Number of warrants issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OfficersAndDirectorsMember_0" xml:lang="en-US">Represents officers and directors member.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OfficersAndDirectorsMember_1" xml:lang="en-US">Officers And Directors [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OfficersAndDirectorsMember_2" xml:lang="en-US">Officers and Directors [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OnOrBeforeFirstAnniversaryMember_0" xml:lang="en-US">On or before the first anniversary</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OnOrBeforeFirstAnniversaryMember_1" xml:lang="en-US">On Or Before First Anniversary [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OnOrBeforeFirstAnniversaryMember_2" xml:lang="en-US">On or before December 31, 2020 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OnOrBeforeForthAnniversaryMember_0" xml:lang="en-US">It represents as a on or before the forth anniversary.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OnOrBeforeForthAnniversaryMember_1" xml:lang="en-US">On Or Before Forth Anniversary [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OnOrBeforeForthAnniversaryMember_2" xml:lang="en-US">On or before December 31, 2023 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OnOrBeforeSecondAnniversaryMember_0" xml:lang="en-US">Definition :On or before the second anniversary</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OnOrBeforeSecondAnniversaryMember_1" xml:lang="en-US">On Or Before Second Anniversary [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OnOrBeforeSecondAnniversaryMember_2" xml:lang="en-US">On or before December 31, 2021 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OnOrBeforeThirdAnniversaryAnnuallyUntilSeventhAnniversaryMember_0" xml:lang="en-US">On or before the third anniversary annually until the seventh anniversary</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OnOrBeforeThirdAnniversaryAnnuallyUntilSeventhAnniversaryMember_1" xml:lang="en-US">On Or Before Third Anniversary Annually Until Seventh Anniversary [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OnOrBeforeThirdAnniversaryAnnuallyUntilSeventhAnniversaryMember_2" xml:lang="en-US">On or before December 31, 2022 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionConversionOnAugustThreeOne_0" xml:lang="en-US">Option conversion on August 31</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionConversionOnAugustThreeOne_1" xml:lang="en-US">Option Conversion On August Three One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionConversionOnAugustThreeOne_2" xml:lang="en-US">Option conversion on August 31</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionConversionOnAugustThreeOneShares_0" xml:lang="en-US">Option conversion on August 31 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionConversionOnAugustThreeOneShares_1" xml:lang="en-US">Option Conversion On August Three One Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionConversionOnAugustThreeOneShares_2" xml:lang="en-US">Option conversion on August 31 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionConversionOnDecemberEight_0" xml:lang="en-US">Option conversion on December 8</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionConversionOnDecemberEight_1" xml:lang="en-US">Option Conversion On December Eight</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_OptionConversionOnDecemberEight_2" xml:lang="en-US">Option conversion on December 8</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionConversionOnDecemberEightShares_0" xml:lang="en-US">Option conversion on December 8 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionConversionOnDecemberEightShares_1" xml:lang="en-US">Option Conversion On December Eight Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_OptionConversionOnDecemberEightShares_2" xml:lang="en-US">Option conversion on December 8 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionConversionOnMayOneOne_0" xml:lang="en-US">Option conversion on May 11</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionConversionOnMayOneOne_1" xml:lang="en-US">Option Conversion On May One One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionConversionOnMayOneOne_2" xml:lang="en-US">Option conversion on May 11</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionConversionOnMayOneOneShares_0" xml:lang="en-US">Option conversion on May 11 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionConversionOnMayOneOneShares_1" xml:lang="en-US">Option Conversion On May One One Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionConversionOnMayOneOneShares_2" xml:lang="en-US">Option conversion on May 11 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceEightMember_0" xml:lang="en-US">Option exercise price 8</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceEightMember_1" xml:lang="en-US">Option Exercise Price Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceEightMember_2" xml:lang="en-US">Option exercise price 0.02 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceElevenMember_0" xml:lang="en-US">Option Exercise Price Eleven [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceElevenMember_1" xml:lang="en-US">Option Exercise Price 0.18 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceFiveMember_0" xml:lang="en-US">Option exercise price 5</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceFiveMember_1" xml:lang="en-US">Option Exercise Price Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceFiveMember_2" xml:lang="en-US">Option exercise price 0.05 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceFourMember_0" xml:lang="en-US">Option exercise price 4</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceFourMember_1" xml:lang="en-US">Option Exercise Price Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceFourMember_2" xml:lang="en-US">Option exercise price 0.10 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceFourteenMember_0" xml:lang="en-US">Option Exercise Price Fourteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_OptionExercisePriceFourteenMember_1" xml:lang="en-US">Option Exercise Price 0.06 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceNineMember_0" xml:lang="en-US">Option exercise price 9</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceNineMember_1" xml:lang="en-US">Option Exercise Price Nine [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceNineMember_2" xml:lang="en-US">Option exercise price 0.05 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceOneMember_0" xml:lang="en-US">Option exercise price 1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceOneMember_1" xml:lang="en-US">Option Exercise Price One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceOneMember_2" xml:lang="en-US">Option exercise price 0.07 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceOneZeroMember_0" xml:lang="en-US">Option exercise price 10</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceOneZeroMember_1" xml:lang="en-US">Option Exercise Price One Zero [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceOneZeroMember_2" xml:lang="en-US">Option exercise price 10 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceSevenMember_0" xml:lang="en-US">Option exercise price 7</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceSevenMember_1" xml:lang="en-US">Option Exercise Price Seven [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceSevenMember_2" xml:lang="en-US">Option exercise price 0.07 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceSixMember_0" xml:lang="en-US">Option exercise price 6</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceSixMember_1" xml:lang="en-US">Option Exercise Price Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceSixMember_2" xml:lang="en-US">Option exercise price 0.06 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceTenMember_0" xml:lang="en-US">Option Exercise Price Ten [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceTenMember_1" xml:lang="en-US">Option Exercise Price 0.14 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceThirteenMember_0" xml:lang="en-US">Option Exercise Price Thirteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceThirteenMember_1" xml:lang="en-US">Option Exercise Price 0.08 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceThreeMember_0" xml:lang="en-US">Option exercise price 3</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceThreeMember_1" xml:lang="en-US">Option Exercise Price Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceThreeMember_2" xml:lang="en-US">Option exercise price 0.07 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceTwelveMember_0" xml:lang="en-US">Option Exercise Price Twelve [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_OptionExercisePriceTwelveMember_1" xml:lang="en-US">Option Exercise Price 0.18 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceTwoMember_0" xml:lang="en-US">Option exercise price 2</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceTwoMember_1" xml:lang="en-US">Option Exercise Price Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceTwoMember_2" xml:lang="en-US">Option exercise price 0.07 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroFive1Member_0" xml:lang="en-US">Option exercise price 0.05.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroFive1Member_1" xml:lang="en-US">Option Exercise Price Zero Point Zero Five 1 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroFive1Member_2" xml:lang="en-US">Option exercise price 0.05 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroFive2Member_0" xml:lang="en-US">Option exercise price 0.05.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroFive2Member_1" xml:lang="en-US">Option Exercise Price Zero Point Zero Five 2 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroFive2Member_2" xml:lang="en-US">Option exercise price 0.05 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroFiveMember_0" xml:lang="en-US">Option exercise price 0.05.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroFiveMember_1" xml:lang="en-US">Option Exercise Price Zero Point Zero Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroFiveMember_2" xml:lang="en-US">Option exercise price 0.05 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroSeven1Member_0" xml:lang="en-US">Option exercise price 0.07.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroSeven1Member_1" xml:lang="en-US">Option Exercise Price Zero Point Zero Seven 1 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroSeven1Member_2" xml:lang="en-US">Option exercise price 0.07 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroSeven2Member_0" xml:lang="en-US">Option exercise price 0.07.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroSeven2Member_1" xml:lang="en-US">Option Exercise Price Zero Point Zero Seven 2 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroSeven2Member_2" xml:lang="en-US">Option exercise price 0.07 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroSeven3Member_0" xml:lang="en-US">Option exercise price 0.07.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroSeven3Member_1" xml:lang="en-US">Option Exercise Price Zero Point Zero Seven 3 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroSeven3Member_2" xml:lang="en-US">Option exercise price 0.07 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroSevenMember_0" xml:lang="en-US">Option exercise price 0.07.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroSevenMember_1" xml:lang="en-US">Option Exercise Price Zero Point Zero Seven [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroSevenMember_2" xml:lang="en-US">Option exercise price 0.07 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroSixMember_0" xml:lang="en-US">Option exercise price 0.06.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroSixMember_1" xml:lang="en-US">Option Exercise Price Zero Point Zero Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroSixMember_2" xml:lang="en-US">Option exercise price 0.06 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroTenMember_0" xml:lang="en-US">Option exercise price 0.10.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroTenMember_1" xml:lang="en-US">Option Exercise Price Zero Point Zero Ten [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroTenMember_2" xml:lang="en-US">Option exercise price 0.10 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroTwoMember_0" xml:lang="en-US">Option exercise price 0.02.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroTwoMember_1" xml:lang="en-US">Option Exercise Price Zero Point Zero Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_OptionExercisePriceZeroPointZeroTwoMember_2" xml:lang="en-US">Option exercise price 0.02 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PatentAndTrademarkLineItems_0" xml:lang="en-US">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PatentAndTrademarkLineItems_1" xml:lang="en-US">Patent And Trademark [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PatentAndTrademarkRegistrationAgencyAxis_0" xml:lang="en-US">Information of patent and trademark registration agency.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PatentAndTrademarkRegistrationAgencyAxis_1" xml:lang="en-US">Patent And Trademark Registration Agency [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PatentAndTrademarkRegistrationAgencyDomain_0" xml:lang="en-US">Information of patent and trademark registration agency.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PatentAndTrademarkRegistrationAgencyDomain_1" xml:lang="en-US">Patent And Trademark Registration Agency [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PatentAndTrademarkTable_0" xml:lang="en-US">Schedule of Patent and Trademark.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PatentAndTrademarkTable_1" xml:lang="en-US">Patent And Trademark [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PatentsAbstract_0" xml:lang="en-US">Patents [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PatentsTextBlock_0" xml:lang="en-US">Disclosure of patent and trademark rights.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PatentsTextBlock_1" xml:lang="en-US">Patents [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_PatentsTextBlock_2" xml:lang="en-US">PATENTS [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PaymentsForBenchTesting_0" xml:lang="en-US">Payments for bench testing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PaymentsForBenchTesting_1" xml:lang="en-US">Payments For Bench Testing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_PaymentsForBenchTesting_2" xml:lang="en-US">Payments for bench testing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PaymentsForExclusiveRights_0" xml:lang="en-US">Payments for exclusive rights</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PaymentsForExclusiveRights_1" xml:lang="en-US">Payments For Exclusive Rights</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_PaymentsForExclusiveRights_2" xml:lang="en-US">Payments for exclusive rights</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PaymentsForMaterialCosts_0" xml:lang="en-US">Payments for material costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PaymentsForMaterialCosts_1" xml:lang="en-US">Payments For Material Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_PaymentsForMaterialCosts_2" xml:lang="en-US">Payments for material costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PercentageIncreaseInRental_0" xml:lang="en-US">Percentage increase in rental</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PercentageIncreaseInRental_1" xml:lang="en-US">Percentage Increase In Rental</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PercentageOfInterestInPatentRightsAcquired_0" xml:lang="en-US">Percentage of interest in patent rights acquired.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PercentageOfInterestInPatentRightsAcquired_1" xml:lang="en-US">Percentage Of Interest In Patent Rights Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_PercentageOfInterestInPatentRightsAcquired_2" xml:lang="en-US">Percentage of interest in patent rights acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PercentageOfLandRightsInterest_0" xml:lang="en-US">Percentage of Land Rights Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PercentageOfLandRightsInterest_1" xml:lang="en-US">Percentage Of Land Rights Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_PercentageOfLandRightsInterest_2" xml:lang="en-US">Percentage of Land Rights Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PercentageOfLetterOfIntent_0" xml:lang="en-US">It represents percentage of letter of intent.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PercentageOfLetterOfIntent_1" xml:lang="en-US">Percentage Of Letter Of Intent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_PercentageOfLetterOfIntent_2" xml:lang="en-US">Percentage of letter of intent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PercentageOfLetterOfIntentIssued_0" xml:lang="en-US">It represents as a percentage of letter of intent issued.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PercentageOfLetterOfIntentIssued_1" xml:lang="en-US">Percentage Of Letter Of Intent Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_PercentageOfLetterOfIntentIssued_2" xml:lang="en-US">Percentage of letter of intent issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PercentageOfOwnershipAndRightsAcquired_0" xml:lang="en-US">Percentage Of Ownership And Rights Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_PercentageOfOwnershipAndRightsAcquired_1" xml:lang="en-US">Ownership percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PercentageOfPrepaidExpensesDeposits_0" xml:lang="en-US">Represents percentage of prepaid expenses &amp; deposits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PercentageOfPrepaidExpensesDeposits_1" xml:lang="en-US">Percentage Of Prepaid Expenses &amp; Deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_PercentageOfPrepaidExpensesDeposits_2" xml:lang="en-US">Percentage of prepaid expenses &amp; deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PercentageOfRoyaltyAgreement_0" xml:lang="en-US">Represents percentage of royalty agreement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PercentageOfRoyaltyAgreement_1" xml:lang="en-US">Percentage Of Royalty Agreement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_PercentageOfRoyaltyAgreement_2" xml:lang="en-US">Percentage of royalty agreement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PeriodOfTotalExplorationExpenditures_0" xml:lang="en-US">It represents as a period of total exploration expenditures.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PeriodOfTotalExplorationExpenditures_1" xml:lang="en-US">Period Of Total Exploration Expenditures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_PeriodOfTotalExplorationExpenditures_2" xml:lang="en-US">Period of total exploration expenditures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PostConsolidationShares_0" xml:lang="en-US">Represents the number of shares for post consolidation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PostConsolidationShares_1" xml:lang="en-US">Post Consolidation Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_PostConsolidationShares_2" xml:lang="en-US">Post consolidation shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PrepaidExpenseCurrentLegalAndProfessional_0" xml:lang="en-US">The amount of prepaid expenses current, legal and professional.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PrepaidExpenseCurrentLegalAndProfessional_1" xml:lang="en-US">Prepaid Expense Current Legal And Professional</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_PrepaidExpenseCurrentLegalAndProfessional_2" xml:lang="en-US">Legal &amp; Professional</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PrepaidExpensesAndDepositsTextBlock_0" xml:lang="en-US">The entire disclosure for prepaid expenses and deposits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PrepaidExpensesAndDepositsTextBlock_1" xml:lang="en-US">Prepaid Expenses And Deposits [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_PrepaidExpensesAndDepositsTextBlock_2" xml:lang="en-US">PREPAID EXPENSES AND DEPOSITS [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PrepaidExpensesCurrentAdvertising_0" xml:lang="en-US">Information about prepaid expenses current advertising.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PrepaidExpensesCurrentAdvertising_1" xml:lang="en-US">Prepaid Expenses Current Advertising</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_PrepaidExpensesCurrentAdvertising_2" xml:lang="en-US">Advertising</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PrepaidExpensesCurrentConsultants_0" xml:lang="en-US">The amount of prepaid expenses current, consultants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PrepaidExpensesCurrentConsultants_1" xml:lang="en-US">Prepaid Expenses Current, Consultants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_PrepaidExpensesCurrentConsultants_2" xml:lang="en-US">Consultants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PrepaidExpensesCurrentExplorationCosts_0" xml:lang="en-US">The amount of prepaid expenses current, exploration costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PrepaidExpensesCurrentExplorationCosts_1" xml:lang="en-US">Prepaid Expenses Current, Exploration Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_PrepaidExpensesCurrentExplorationCosts_2" xml:lang="en-US">Exploration costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PrepaidExpensesCurrentFilingFees_0" xml:lang="en-US">The amount of prepaid expenses current filing fees.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PrepaidExpensesCurrentFilingFees_1" xml:lang="en-US">Prepaid Expenses Current, Filing Fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_PrepaidExpensesCurrentFilingFees_2" xml:lang="en-US">Filing fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PrepaidExpensesCurrentOfficeExpenses_0" xml:lang="en-US">The amount of prepaid expenses current office expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PrepaidExpensesCurrentOfficeExpenses_1" xml:lang="en-US">Prepaid Expenses Current, Office Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_PrepaidExpensesCurrentOfficeExpenses_2" xml:lang="en-US">Office Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PrepaidExpensesFeesAndDues_0" xml:lang="en-US">It represents prepaid expenses fees and dues.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PrepaidExpensesFeesAndDues_1" xml:lang="en-US">Prepaid Expenses Fees And Dues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_PrepaidExpensesFeesAndDues_2" xml:lang="en-US">Fees and Dues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PrepaidExpensesInvestorRelations_0" xml:lang="en-US">The amount of expense provided in the investor relations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PrepaidExpensesInvestorRelations_1" xml:lang="en-US">Prepaid Expenses Investor Relations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_PrepaidExpensesInvestorRelations_2" xml:lang="en-US">Investor Relations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PrepaidExpensesResearchAndDevelopment_0" xml:lang="en-US">It represents prepaid expenses research and development.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PrepaidExpensesResearchAndDevelopment_1" xml:lang="en-US">Prepaid Expenses Research And Development</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_PrepaidExpensesResearchAndDevelopment_2" xml:lang="en-US">Research &amp; Development</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_PricePerUnitIssued_0" xml:lang="en-US">Price per unit issued.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_PricePerUnitIssued_1" xml:lang="en-US">Price per unit issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ProceedsFromExerciseOfWarrants_0" xml:lang="en-US">Proceeds from exercise of warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ProceedsFromExerciseOfWarrants_1" xml:lang="en-US">Proceeds From Exercise Of Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ProceedsFromExerciseOfWarrants_2" xml:lang="en-US">Proceeds from exercise of warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ProceedsFromExerciseOfWarrants_3" xml:lang="en-US">Proceeds from exercise of warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ProceedsFromMineralPropertySale_0" xml:lang="en-US">The amounts represents proceeds from mineral property sale.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ProceedsFromMineralPropertySale_1" xml:lang="en-US">Proceeds From Mineral Property Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ProceedsFromMineralPropertySale_2" xml:lang="en-US">Proceeds from mineral property sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ProceedsFromSaleOfMineralProperty_0" xml:lang="en-US">Represents the cash inflow from sale of mineral property.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ProceedsFromSaleOfMineralProperty_1" xml:lang="en-US">Proceeds From Sale Of Mineral Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ProceedsFromSaleOfMineralProperty_2" xml:lang="en-US">Proceeds from sale of mineral property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ProceedsFromSaleOfRoyaltyGrant_0" xml:lang="en-US">The cash inflow from the issuance of an royalty grant.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ProceedsFromSaleOfRoyaltyGrant_1" xml:lang="en-US">Proceeds From Sale Of Royalty Grant</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ProceedsFromSaleOfRoyaltyGrant_2" xml:lang="en-US">Proceeds from mineral property sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ProceedsFromSaleOfRoyaltyGrant_3" xml:lang="en-US">Proceeds from sale of royalty grant</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ProceedsFromStockPlansAndWarrants_0" xml:lang="en-US">The cash inflow associated with the amount received from the stock plan and warrants during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ProceedsFromStockPlansAndWarrants_1" xml:lang="en-US">Proceeds From Stock Plans And Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ProceedsFromStockPlansAndWarrants_2" xml:lang="en-US">Gross proceeds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ProceedsFromSubscriptionsReceived_0" xml:lang="en-US">Represents cash inflow from proceeds received from subscription.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ProceedsFromSubscriptionsReceived_1" xml:lang="en-US">Proceeds From Subscriptions Received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ProceedsFromSubscriptionsReceived_2" xml:lang="en-US">Net proceeds from subscriptions received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_RecentlyAdoptedAccountingPronouncementsPolicyTextBlock_0" xml:lang="en-US">Recently Adopted Accounting Pronouncements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_RecentlyAdoptedAccountingPronouncementsPolicyTextBlock_1" xml:lang="en-US">Recently Adopted Accounting Pronouncements [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_RentalCommitment_0" xml:lang="en-US">Amount of monly rental commitment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_RentalCommitment_1" xml:lang="en-US">Rental Commitment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_RentalCommitment_2" xml:lang="en-US">Monthly office rent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_RentExpense_0" xml:lang="en-US">Represent the amount of Rent expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_RentExpense_1" xml:lang="en-US">Rent Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_RentExpense_2" xml:lang="en-US">Rent expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ResearchAndDevelopmentTable_0" xml:lang="en-US">Disclosure of information about research and development.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ResearchAndDevelopmentTable_1" xml:lang="en-US">Research And Development [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ReverseStockSplitPolicyTextBlock_0" xml:lang="en-US">Disclosure of accounting policy for reverse stock split.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ReverseStockSplitPolicyTextBlock_1" xml:lang="en-US">Reverse Stock Split [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_RodneyBBlakeMember_0" xml:lang="en-US">Information related to Rodney B Blake.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_RodneyBBlakeMember_1" xml:lang="en-US">Rodney B Blake [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_RodneyBBlakeMember_2" xml:lang="en-US">Rodney B Blake [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SampleAssaysExpenses_0" xml:lang="en-US">Amount of sample assays expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SampleAssaysExpenses_1" xml:lang="en-US">Sample Assays Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_SampleAssaysExpenses_2" xml:lang="en-US">Sample Assays</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ScheduleOfDeferredTaxAssetsLiabilityTable_0" xml:lang="en-US">Represents information about deferred tax assets and liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ScheduleOfDeferredTaxAssetsLiabilityTable_1" xml:lang="en-US">Schedule Of Deferred Tax Assets Liability [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ScheduleOfMineralExplorationExpenseTableTextBlock_0" xml:lang="en-US">Tabular disclosure of mineral exploration expense.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ScheduleOfMineralExplorationExpenseTableTextBlock_1" xml:lang="en-US">Schedule Of Mineral Exploration Expense [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ScheduleOfMineralExplorationExpenseTableTextBlock_2" xml:lang="en-US">Schedule of mineral exploration expense [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ScheduleOfShareBasedPaymentAwardEquityNoteWarrantsOrRightsValuationAssumptionsTableTextBlock_0" xml:lang="en-US">Schedule of Share Based Payment Award Equity Note Warrants or Rights Valuation Assumptions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ScheduleOfShareBasedPaymentAwardEquityNoteWarrantsOrRightsValuationAssumptionsTableTextBlock_1" xml:lang="en-US">Schedule of Share Based Payment Award Equity Note Warrants or Rights Valuation Assumptions [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ScheduleOfStockholdersEquityNoteWarrantsOrRightsActivityTextBlock_0" xml:lang="en-US">Schedule of Stockholders' Equity Note, Warrants or Rights, Activity [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ScheduleOfStockholdersEquityNoteWarrantsOrRightsActivityTextBlock_1" xml:lang="en-US">Schedule Of Stockholders Equity Note Warrants Or Rights Activity [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ScheduleOfStockholdersEquityNoteWarrantsOrRightsActivityTextBlock_2" xml:lang="en-US">Schedule of stockholders' equity note, warrants or rights, activity [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalSharesIssuedInPeriod_0" xml:lang="en-US">Number of additional shares issued under share-based payment arrangement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalSharesIssuedInPeriod_1" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Additional Shares Issued In Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalSharesIssuedInPeriod_2" xml:lang="en-US">Number of additional stock options issuance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsEstimatedFairValuePerOption_0" xml:lang="en-US">Estimated fair value per option</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsEstimatedFairValuePerOption_1" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Estimated Fair Value Per Option</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsEstimatedFairValuePerOption_2" xml:lang="en-US">Grant date fair value per option</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedDividendRateDollarAmount_0" xml:lang="en-US">Expected divided rate expressed as a dollar amount.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedDividendRateDollarAmount_1" xml:lang="en-US">Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Dividend Rate Dollar Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedDividendRateDollarAmount_2" xml:lang="en-US">Dividend rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate_0" xml:lang="en-US">The estimated forfeiture rate (a percentage of the share price forfeiture) option's term.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate_1" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award, Fair Value Assumptions, Expected Forfeiture Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate_2" xml:lang="en-US">Expected forfeiture rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedInPeriod_0" xml:lang="en-US">Number of share options (or share units) exercised during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedInPeriod_1" xml:lang="en-US">Number of options, exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedInPeriod_2" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Exercised In Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantDate_0" xml:lang="en-US">Date the option award granted, in CCYY-MM-DD format.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantDate_1" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Grant Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantDate_2" xml:lang="en-US">Issue Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsExpirationDate_0" xml:lang="en-US">Date the equity-based award expires warrants , in YYYY-MM-DD format.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsExpirationDate_1" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Warrants , Expiration Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsExpirationDate_2" xml:lang="en-US">Expiry Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsExpirationDate_3" xml:lang="en-US">Stock option expiration date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsGrantDate_0" xml:lang="en-US">Date the warrants award granted.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsGrantDate_1" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Warrants Grant Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsGrantDate_2" xml:lang="en-US">Issue Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingIntrinsicValue_0" xml:lang="en-US">Amount by which the current fair value of the underlying stock exceeds the exercise price of warrants outstanding.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingIntrinsicValue_1" xml:lang="en-US">Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingIntrinsicValue_2" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award, Warrants, Outstanding, Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingIntrinsicValue_3" xml:lang="en-US">Aggregate Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingIntrinsicValue_4" xml:lang="en-US">Intrinsic value of warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingNumber_0" xml:lang="en-US">Number of warrants outstanding, including both vested and non-vested options.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingNumber_1" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award, Warrants, Outstanding, Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingNumber_2" xml:lang="en-US">Number of Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingNumber_3" xml:lang="en-US">Warrants outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingWeightedAverageExercisePrice_0" xml:lang="en-US">Weighted average price at which grantees can acquire the shares reserved for issuance under the stock warrants plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingWeightedAverageExercisePrice_1" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingWeightedAverageExercisePrice_2" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingWeightedAverageExercisePrice_3" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award, Warrants , Outstanding, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingWeightedAverageExercisePrice_4" xml:lang="en-US">Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingWeightedAverageExercisePrice_5" xml:lang="en-US">Exercise price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingWeightedAverageRemainingContractualTerm_0" xml:lang="en-US">Weighted average remaining contractual term for warrants awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingWeightedAverageRemainingContractualTerm_1" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award, Warrants, Outstanding, Weighted Average Remaining Contractual Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingWeightedAverageRemainingContractualTerm_2" xml:lang="en-US">Weighted Average Life (Years)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ShareBasedCompensationArrangementByShareBasedPaymentAwardWarrantsOutstandingWeightedAverageRemainingContractualTerm_3" xml:lang="en-US">Weighted Average Remaining Life (Years)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ShareIssuedForInvestmentInJointVenture_0" xml:lang="en-US">Represents the number of shares issued for investment in joint venture.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ShareIssuedForInvestmentInJointVenture_1" xml:lang="en-US">Share Issued For Investment In Joint Venture</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ShareIssuedForInvestmentInJointVenture_2" xml:lang="en-US">Number of share issued for investment in joint venture</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForBatteryManagementSystem_0" xml:lang="en-US">The amount represents shares issued for battery management system.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForBatteryManagementSystem_1" xml:lang="en-US">Shares Issued For Battery Management System</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_SharesIssuedForBatteryManagementSystem_2" xml:lang="en-US">Shares issued for battery management system</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForBatteryManagementTechnology_0" xml:lang="en-US">Represents the amount of shares issued for battery management technology.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_enrt_SharesIssuedForBatteryManagementTechnology_1" xml:lang="en-US">Shares issued for battery management technology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForBatteryManagementTechnology_2" xml:lang="en-US">Shares Issued For Battery Management Technology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForBatteryManagementTechnology_3" xml:lang="en-US">Shares issued for battery management technology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForConsulting_0" xml:lang="en-US">Represents the amount of shares issued for consulting services.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_enrt_SharesIssuedForConsulting_1" xml:lang="en-US">Shares issued for consulting</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForConsulting_2" xml:lang="en-US">Shares Issued For Consulting</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForConsulting_3" xml:lang="en-US">Shares issued for consulting</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForDefinitiveAgreemenOctoberSeven_0" xml:lang="en-US">Shares issued for Definitive Agreement on October 7</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForDefinitiveAgreemenOctoberSeven_1" xml:lang="en-US">Shares Issued For Definitive Agreemen October Seven</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_SharesIssuedForDefinitiveAgreemenOctoberSeven_2" xml:lang="en-US">Shares issued for Definitive Agreement on October 7</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForDefinitiveAgreemenOctoberSevenShares_0" xml:lang="en-US">Shares issued for Definitive Agreement on October 7 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForDefinitiveAgreemenOctoberSevenShares_1" xml:lang="en-US">Shares Issued For Definitive Agreemen October Seven Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_SharesIssuedForDefinitiveAgreemenOctoberSevenShares_2" xml:lang="en-US">Shares issued for Definitive Agreement on October 7 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForExplorationCost_0" xml:lang="en-US">Represents the amount of share issued for exploration cost.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForExplorationCost_1" xml:lang="en-US">Shares Issued For Exploration Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForExplorationCost_2" xml:lang="en-US">Shares issued for exploration cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForHydrogenTechnology_0" xml:lang="en-US">The amounts represents shares issued for hydrogen technology.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForHydrogenTechnology_1" xml:lang="en-US">Shares Issued For Hydrogen Technology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_SharesIssuedForHydrogenTechnology_2" xml:lang="en-US">Shares issued for hydrogen technology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForHydrogenTechnology_3" xml:lang="en-US">Shares Issued For Hydrogen Technology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForLoiOnOctoberTwoEight_0" xml:lang="en-US">Represents the shares issued for loi on october two eight.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForLoiOnOctoberTwoEight_1" xml:lang="en-US">Shares Issued For Loi On October Two Eight</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForMineralProperty_0" xml:lang="en-US">Shares issued for mineral property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForMineralProperty_1" xml:lang="en-US">Shares issued for mineral property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPpOnFebruaryTwoEight_0" xml:lang="en-US">Shares issued for Private Placement on February 28</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPpOnFebruaryTwoEight_1" xml:lang="en-US">Shares Issued For Pp On February Two Eight</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_SharesIssuedForPpOnFebruaryTwoEight_2" xml:lang="en-US">Shares issued for Private Placement on February 28</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPpOnFebruaryTwoEightShares_0" xml:lang="en-US">Shares issued for Private Placement on February 28 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPpOnFebruaryTwoEightShares_1" xml:lang="en-US">Shares Issued For Pp On February Two Eight Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_SharesIssuedForPpOnFebruaryTwoEightShares_2" xml:lang="en-US">Shares issued for Private Placement on February 28 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPpOnJanuaryTwoZero_0" xml:lang="en-US">Shares issued for Private Placement on January 20</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPpOnJanuaryTwoZero_1" xml:lang="en-US">Shares Issued For Pp On January Two Zero</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPpOnJanuaryTwoZero_2" xml:lang="en-US">Shares issued for Private Placement on January 20</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPpOnJanuaryTwoZeroShares_0" xml:lang="en-US">Shares issued for Private Placement on January 20 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPpOnJanuaryTwoZeroShares_1" xml:lang="en-US">Shares Issued For Pp On January Two Zero Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPpOnJanuaryTwoZeroShares_2" xml:lang="en-US">Shares issued for Private Placement on January 20 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnAprTwoEight_0" xml:lang="en-US">Shares issued for Private Placement on Apr 28</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnAprTwoEight_1" xml:lang="en-US">Shares Issued For Private Placement On Apr Two Eight</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnAprTwoEight_2" xml:lang="en-US">Shares issued for Private Placement on Apr 28</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnAprTwoEightShares_0" xml:lang="en-US">Shares issued for Private Placement on Apr 28 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnAprTwoEightShares_1" xml:lang="en-US">Shares Issued For Private Placement On Apr Two Eight Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnAprTwoEightShares_2" xml:lang="en-US">Shares issued for Private Placement on Apr 28 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnAugustThreeOne_0" xml:lang="en-US">Shares issued for Private Placement on August 31</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnAugustThreeOne_1" xml:lang="en-US">Shares Issued For Private Placement On August Three One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnAugustThreeOne_2" xml:lang="en-US">Shares issued for Private Placement on August 31</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnAugustThreeOneShares_0" xml:lang="en-US">Shares issued for Private Placement on August 31 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnAugustThreeOneShares_1" xml:lang="en-US">Shares Issued For Private Placement On August Three One Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnAugustThreeOneShares_2" xml:lang="en-US">Shares issued for Private Placement on August 31 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnDecemberEight_0" xml:lang="en-US">Shares issued for Private Placement on December 8</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnDecemberEight_1" xml:lang="en-US">Shares Issued For Private Placement On December Eight</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnDecemberEight_2" xml:lang="en-US">Shares issued for Private Placement on December 8</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnDecemberEightShares_0" xml:lang="en-US">Shares issued for Private Placement on December 8 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnDecemberEightShares_1" xml:lang="en-US">Shares Issued For Private Placement On December Eight Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnDecemberEightShares_2" xml:lang="en-US">Shares issued for Private Placement on December 8 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnJanuaryOneTwo_0" xml:lang="en-US">Shares issued for Private Placement on January 12</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnJanuaryOneTwo_1" xml:lang="en-US">Shares Issued For Private Placement On January One Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnJanuaryOneTwo_2" xml:lang="en-US">Shares issued for Private Placement on January 12</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnJanuaryOneTwoShares_0" xml:lang="en-US">Shares issued for Private Placement on January 12 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnJanuaryOneTwoShares_1" xml:lang="en-US">Shares Issued For Private Placement On January One Two Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnJanuaryOneTwoShares_2" xml:lang="en-US">Shares issued for Private Placement on January 12 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMarchTwoSeven_0" xml:lang="en-US">Shares issued for Private Placement on Mar 27.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMarchTwoSeven_1" xml:lang="en-US">Shares Issued For Private Placement On March Two Seven</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMarchTwoSeven_2" xml:lang="en-US">Shares issued for Private Placement on March 27</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMarchTwoSevenShares_0" xml:lang="en-US">Shares issued for Private Placement on Mar 27.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMarchTwoSevenShares_1" xml:lang="en-US">Shares Issued For Private Placement On March Two Seven Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMarchTwoSevenShares_2" xml:lang="en-US">Shares issued for Private Placement on March 27 (shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMayOneOne_0" xml:lang="en-US">Shares issued for Private Placement on May 11</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMayOneOne_1" xml:lang="en-US">Shares Issued For Private Placement On May One One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMayOneOne_2" xml:lang="en-US">Shares issued for Private Placement on May 11</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMayOneOneShares_0" xml:lang="en-US">Shares issued for Private Placement on May 11 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMayOneOneShares_1" xml:lang="en-US">Shares Issued For Private Placement On May One One Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMayOneOneShares_2" xml:lang="en-US">Shares issued for Private Placement on May 11 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMayTwoFive_0" xml:lang="en-US">Shares issued for Private Placement on May 25</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMayTwoFive_1" xml:lang="en-US">Shares Issued For Private Placement On May Two Five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMayTwoFive_2" xml:lang="en-US">Shares issued for Private Placement on May 25</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMayTwoFiveShares_0" xml:lang="en-US">Shares issued for Private Placement on May 25 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMayTwoFiveShares_1" xml:lang="en-US">Shares Issued For Private Placement On May Two Five Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnMayTwoFiveShares_2" xml:lang="en-US">Shares issued for Private Placement on May 25 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnNovemberOne_0" xml:lang="en-US">Shares issued for Private Placement on November 1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnNovemberOne_1" xml:lang="en-US">Shares Issued For Private Placement On November One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnNovemberOne_2" xml:lang="en-US">Shares issued for Private Placement on November 1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnNovemberOneShares_0" xml:lang="en-US">Shares issued for Private Placement on November 1 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnNovemberOneShares_1" xml:lang="en-US">Shares Issued For Private Placement On November One Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnNovemberOneShares_2" xml:lang="en-US">Shares issued for Private Placement on November 1 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnSeptemberTwoOne_0" xml:lang="en-US">Shares issued for Private Placement on September 21</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnSeptemberTwoOne_1" xml:lang="en-US">Shares Issued For Private Placement On September Two One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnSeptemberTwoOne_2" xml:lang="en-US">Shares issued for Private Placement on September 21</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnSeptemberTwoOneShares_0" xml:lang="en-US">Shares issued for Private Placement on September 21 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnSeptemberTwoOneShares_1" xml:lang="en-US">Shares Issued For Private Placement On September Two One Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnSeptemberTwoOneShares_2" xml:lang="en-US">Shares issued for Private Placement on September 21 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnSeptemberTwoThree_0" xml:lang="en-US">Shares issued for private placement on September 23</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnSeptemberTwoThree_1" xml:lang="en-US">Shares Issued For Private Placement On September Two Three</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnSeptemberTwoThree_2" xml:lang="en-US">Shares issued for private placement on September 23</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnSeptemberTwoThreeShares_0" xml:lang="en-US">Shares issued for private placement on September 23 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnSeptemberTwoThreeShares_1" xml:lang="en-US">Shares Issued For Private Placement On September Two Three Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPrivatePlacementOnSeptemberTwoThreeShares_2" xml:lang="en-US">Shares issued for private placement on September 23 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesIssuedForPurchaseOfHydrogenTechnology_0" xml:lang="en-US">Represents the amount of shares issued for purchase of hydrogen technology.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_enrt_SharesIssuedForPurchaseOfHydrogenTechnology_1" xml:lang="en-US">Shares issued for purchase of hydrogen technology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesIssuedForPurchaseOfHydrogenTechnology_2" xml:lang="en-US">Shares Issued For Purchase Of Hydrogen Technology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_SharesIssuedForPurchaseOfHydrogenTechnology_3" xml:lang="en-US">Shares issued for purchase of hydrogen technology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SharesReceivedForMineralPropertySale_0" xml:lang="en-US">Represent amount of shares received for mineral property sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_enrt_SharesReceivedForMineralPropertySale_1" xml:lang="en-US">Shares received for mineral property sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SharesReceivedForMineralPropertySale_2" xml:lang="en-US">Shares Received For Mineral Property Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SigningAmountPaid_0" xml:lang="en-US">Represents signing amount paid.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SigningAmountPaid_1" xml:lang="en-US">Signing amount paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_SolarEnergyPatentMember_0" xml:lang="en-US">This member stands for solar energy patent.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_SolarEnergyPatentMember_1" xml:lang="en-US">Solar Energy Patent [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_SolarEnergyPatentMember_2" xml:lang="en-US">Patent #6,024,086 - Solar energy [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockholdersEquityNoteLineItems_0" xml:lang="en-US">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockholdersEquityNoteLineItems_1" xml:lang="en-US">Stockholders Equity Note [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockholdersEquityNoteTable_0" xml:lang="en-US">Table of stockholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockholdersEquityNoteTable_1" xml:lang="en-US">Stockholders Equity Note [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockIssuedDuringPeriodNumberOfSharesTraded_0" xml:lang="en-US">Represents about number of shares may trade during period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockIssuedDuringPeriodNumberOfSharesTraded_1" xml:lang="en-US">Stock Issued During Period Number Of Shares Traded</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodNumberOfSharesTraded_2" xml:lang="en-US">Number of shares may trade during period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesCashExerciseOfWarrants_0" xml:lang="en-US">Represent the amount of shares issued for warrant exercise for cash.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesCashExerciseOfWarrants_1" xml:lang="en-US">Stock Issued During Period Shares Cash Exercise Of Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesCashExerciseOfWarrants_2" xml:lang="en-US">Warrant exercise for cash (shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesIssuedForHydrogenTechnology_0" xml:lang="en-US">Number of shares issued for hydrogen technology.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesIssuedForHydrogenTechnology_1" xml:lang="en-US">Stock Issued During Period Shares Issued For Hydrogen Technology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesIssuedForHydrogenTechnology_2" xml:lang="en-US">Shares issued for hydrogen technology (shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesIssuedForInvestmentInJointVenture_0" xml:lang="en-US">The number of shares issued for investment in joint venture.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesIssuedForInvestmentInJointVenture_1" xml:lang="en-US">Stock Issued During Period Shares Issued For Investment In Joint Venture</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesIssuedForInvestmentInJointVenture_2" xml:lang="en-US">Shares issued for investment in Joint Venture (shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesIssuedForInvestmentInJointVenture_3" xml:lang="en-US">Number of shares issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesPrivatePlacement_0" xml:lang="en-US">Represents number of stock issued in private placement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesPrivatePlacement_1" xml:lang="en-US">Stock Issued During Period Shares Private Placement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesPrivatePlacement_2" xml:lang="en-US">Private placement (shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesRestrictedForTrade_0" xml:lang="en-US">Represents about number of shares restricted for trade.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesRestrictedForTrade_1" xml:lang="en-US">Stock Issued During Period Shares Restricted For Trade</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesRestrictedForTrade_2" xml:lang="en-US">Number of shares restricted for trade</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesWarrantsExercised_0" xml:lang="en-US">Number of shares issued in exercise of warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesWarrantsExercised_1" xml:lang="en-US">Stock Issued During Period Shares Warrants Exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesWarrantsExercised_2" xml:lang="en-US">Warrants exercised (shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesWarrantsExercised_3" xml:lang="en-US">Number of common shares issued in exercise of warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesWarrantsIssuedForCash_0" xml:lang="en-US">Represent the amount of Warrants Issued For Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesWarrantsIssuedForCash_1" xml:lang="en-US">Stock Issued During Period Shares Warrants Issued For Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodSharesWarrantsIssuedForCash_2" xml:lang="en-US">Warrants issued for cash (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockIssuedDuringPeriodValueCashExerciseOfWarrants_0" xml:lang="en-US">Represent the amount of warrant exercise for cash.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockIssuedDuringPeriodValueCashExerciseOfWarrants_1" xml:lang="en-US">Stock Issued During Period Value Cash Exercise Of Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodValueCashExerciseOfWarrants_2" xml:lang="en-US">Warrant exercise for cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockIssuedDuringPeriodValueIssuedForHydrogenTechnology_0" xml:lang="en-US">The value of stock issued for hydrogen technology.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockIssuedDuringPeriodValueIssuedForHydrogenTechnology_1" xml:lang="en-US">Stock Issued During Period Value Issued For Hydrogen Technology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodValueIssuedForHydrogenTechnology_2" xml:lang="en-US">Shares issued for hydrogen technology</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockIssuedDuringPeriodValueIssuedForInvestmentInJointVenture_0" xml:lang="en-US">The value of stock issued for investment in joint venture.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockIssuedDuringPeriodValueIssuedForInvestmentInJointVenture_1" xml:lang="en-US">Stock Issued During Period Value Issued For Investment In Joint Venture</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodValueIssuedForInvestmentInJointVenture_2" xml:lang="en-US">Shares issued for investment in Joint Venture</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodValueIssuedForInvestmentInJointVenture_3" xml:lang="en-US">Purchase value of BMT</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockIssuedDuringPeriodValuePrivatePlacement_0" xml:lang="en-US">Represents the value of stock issued in private placement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockIssuedDuringPeriodValuePrivatePlacement_1" xml:lang="en-US">Stock Issued During Period Value Private Placement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodValuePrivatePlacement_2" xml:lang="en-US">Private placement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockIssuedDuringPeriodValueReverseStockSplits_0" xml:lang="en-US">Represent the value of reverse stock split.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockIssuedDuringPeriodValueReverseStockSplits_1" xml:lang="en-US">Stock Issued During Period Value Reverse Stock Splits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodValueReverseStockSplits_2" xml:lang="en-US">Common stock issued for reverse stock split fractional share round up</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockIssuedDuringPeriodValueWarrantsExercised_0" xml:lang="en-US">Represents the value of stock issued in exercise of warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockIssuedDuringPeriodValueWarrantsExercised_1" xml:lang="en-US">Stock Issued During Period Value Warrants Exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodValueWarrantsExercised_2" xml:lang="en-US">Warrants exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockIssuedDuringPeriodValueWarrantsIssuedForCash_0" xml:lang="en-US">Represent the amount of Warrants issued for cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockIssuedDuringPeriodValueWarrantsIssuedForCash_1" xml:lang="en-US">Stock Issued During Period Value Warrants Issued For Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_StockIssuedDuringPeriodValueWarrantsIssuedForCash_2" xml:lang="en-US">Warrants issued for cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockIssuedUponReceiptOfPatentForProcessForExtractingLithiumFromWastewater_0" xml:lang="en-US">Stock issued upon receipt of a patent for the process for extracting lithium from wastewater</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockIssuedUponReceiptOfPatentForProcessForExtractingLithiumFromWastewater_1" xml:lang="en-US">Stock Issued Upon Receipt Of Patent For Process For Extracting Lithium From Wastewater</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_StockIssuedUponReceiptOfPatentForProcessForExtractingLithiumFromWastewater_2" xml:lang="en-US">Stock issued upon receipt of a patent for the process for extracting lithium from wastewater</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockIssuedWithinThirtyDaysOfSuccessfulIndependentThirdPartyLabTesting_0" xml:lang="en-US">Stock issued within thirty days of successful independent third party lab testing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockIssuedWithinThirtyDaysOfSuccessfulIndependentThirdPartyLabTesting_1" xml:lang="en-US">Stock Issued Within Thirty Days Of Successful Independent Third Party Lab Testing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_StockIssuedWithinThirtyDaysOfSuccessfulIndependentThirdPartyLabTesting_2" xml:lang="en-US">Stock issued within thirty days of successful independent third party lab testing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockOptionsAndWarrantsAbstract_0" xml:lang="en-US">Stock Options And Warrants [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockOptionsAndWarrantsTextBlock_0" xml:lang="en-US">The entire disclosure for stock options and warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockOptionsAndWarrantsTextBlock_1" xml:lang="en-US">Stock Options And Warrants [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_StockOptionsAndWarrantsTextBlock_2" xml:lang="en-US">STOCK OPTIONS AND WARRANTS [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockOptionsGrantedOnFebruaryTwoFive_0" xml:lang="en-US">Represents the stock options granted on february two five.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockOptionsGrantedOnFebruaryTwoFive_1" xml:lang="en-US">Stock Options Granted On February Two Five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_StockOptionsGrantedOnFebruaryTwoFive_2" xml:lang="en-US">Stock options granted on February 25</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockOptionsGrantedOnNovemberOneTwo_0" xml:lang="en-US">Represents the stock options granted on november one two.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockOptionsGrantedOnNovemberOneTwo_1" xml:lang="en-US">Stock Options Granted On November One Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_StockOptionsGrantedOnNovemberOneTwo_2" xml:lang="en-US">Stock options granted on November 12</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_StockOptionsGrantedOnSeptemberOne_0" xml:lang="en-US">Represents the stock option granted on September one.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_StockOptionsGrantedOnSeptemberOne_1" xml:lang="en-US">Stock Options Granted On September One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_StockOptionsGrantedOnSeptemberOne_2" xml:lang="en-US">Stock options granted on Sept 1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_TechnologyDevelopmentAbstract_0" xml:lang="en-US">Technology Development [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_TechnologyDevelopmentDisclosureTextBlock_0" xml:lang="en-US">The entire disclosure for technology development.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_TechnologyDevelopmentDisclosureTextBlock_1" xml:lang="en-US">Technology Development Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_TechnologyDevelopmentDisclosureTextBlock_2" xml:lang="en-US">TECHNOLOGY DEVELOPMENT [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_TechnologySegmentMember_0" xml:lang="en-US">This member stands for technology segment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_TechnologySegmentMember_1" xml:lang="en-US">Technology Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_TechnologySegmentMember_2" xml:lang="en-US">Technology [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_TelephoneExpenses_0" xml:lang="en-US">The amount of telephone expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_TelephoneExpenses_1" xml:lang="en-US">Telephone Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_TelephoneExpenses_2" xml:lang="en-US">Telephone</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_TermsOfWarrantWeightedAverageLife_0" xml:lang="en-US">Terms of warrant weighted average life.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_TermsOfWarrantWeightedAverageLife_1" xml:lang="en-US">Terms Of Warrant Weighted Average Life</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_TermsOfWarrantWeightedAverageLife_2" xml:lang="en-US">Weighted Average Life (Years)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_TerryGalyonMember_0" xml:lang="en-US">Information about terry galyon.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_TerryGalyonMember_1" xml:lang="en-US">Terry Galyon [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ThreeConsultantsMember_0" xml:lang="en-US">This Member stands for Three consultants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ThreeConsultantsMember_1" xml:lang="en-US">Three Consultants [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ToEarnAdditional15InterestMember_0" xml:lang="en-US">To earn an additional 15 percent Interest in the property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ToEarnAdditional15InterestMember_1" xml:lang="en-US">To Earn Additional 15 Interest [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ToEarnAdditional15InterestMember_2" xml:lang="en-US">To earn an additional 15 percent Interest in the property [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_TotalExplorationExpenditures_0" xml:lang="en-US">It represents as a total exploration expenditures.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_TotalExplorationExpenditures_1" xml:lang="en-US">Total Exploration Expenditures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_TotalExplorationExpenditures_2" xml:lang="en-US">Total exploration expenditures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_TotalNumberOfPostconsolidationVotingClassCommonSharesIssued_0" xml:lang="en-US">Represents amount of post-consolidation voting class common shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_TotalNumberOfPostconsolidationVotingClassCommonSharesIssued_1" xml:lang="en-US">Total Number Of Postconsolidation Voting Class Common Shares Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_TotalNumberOfPostconsolidationVotingClassCommonSharesIssued_2" xml:lang="en-US">Total additional number of voting-class common shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_TradedAfterFourMonthsAndOneDayOfClosingDateMember_0" xml:lang="en-US">This member stands for four months and one day after the closing date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_TradedAfterFourMonthsAndOneDayOfClosingDateMember_1" xml:lang="en-US">Traded After Four Months And One Day Of Closing Date [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_TradedAfterFourMonthsAndOneDayOfClosingDateMember_2" xml:lang="en-US">Traded after four months and one day of closing date [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_TradedThreeMonthsFollowingClosingDateMember_0" xml:lang="en-US">This Member stands for three-month period following the closing date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_TradedThreeMonthsFollowingClosingDateMember_1" xml:lang="en-US">Traded Three Months Following Closing Date [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_TradedThreeMonthsFollowingClosingDateMember_2" xml:lang="en-US">Traded three months following closing date [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_TravelAndOtherExpenses_0" xml:lang="en-US">Amount of travel and miscellaneous expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_TravelAndOtherExpenses_1" xml:lang="en-US">Travel And Other Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_TravelAndOtherExpenses_2" xml:lang="en-US">Travel, Storage &amp; Misc</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_TwoDirectorMember_0" xml:lang="en-US">Persons serving on board of directors.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_TwoDirectorMember_1" xml:lang="en-US">Two Director [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_TwoZeroOneFourStockOptionPlanMember_0" xml:lang="en-US">This member stands for 2014 Stock Option Plan.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_TwoZeroOneFourStockOptionPlanMember_1" xml:lang="en-US">Two Zero One Four Stock Option Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_TwoZeroOneFourStockOptionPlanMember_2" xml:lang="en-US">2014 Stock Option Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_TwoZeroTwoThreePlanMember_0" xml:lang="en-US">Two Zero Two Three Plan .</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_TwoZeroTwoThreePlanMember_1" xml:lang="en-US">Two Zero Two Three Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_TwoZeroTwoThreePlanMember_2" xml:lang="en-US">2023 Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_TwoZeroTwoThreePlanMember_3" xml:lang="en-US">2023 Stock Option Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_UnitedStatesPatentAndTrademarkOfficeMember_0" xml:lang="en-US">United States Patent and Trademark Office.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_UnitedStatesPatentAndTrademarkOfficeMember_1" xml:lang="en-US">United States Patent And Trademark Office [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_UnitedStatesPatentAndTrademarkOfficeMember_2" xml:lang="en-US">United States Patent and Trademark Office ("USPTO") [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_UnitsIssuedDuringPeriod_0" xml:lang="en-US">Units Issued During Period, Units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_UnitsIssuedDuringPeriod_1" xml:lang="en-US">Units Issued During Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_UnitsIssuedDuringPeriod_2" xml:lang="en-US">Units Issued During Period, Units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_UnitsIssuedDuringPeriodPerUnitAmount_0" xml:lang="en-US">Units Issued During Period, Per Unit Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_UnitsIssuedDuringPeriodPerUnitAmount_1" xml:lang="en-US">Units Issued During Period Per Unit Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_UnitsIssuedDuringPeriodPerUnitAmount_2" xml:lang="en-US">Units Issued During Period, Per Unit Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_UnitsIssuedDuringPeriodValue_0" xml:lang="en-US">Units Issued During Period, Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_UnitsIssuedDuringPeriodValue_1" xml:lang="en-US">Units Issued During Period Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_UnitsIssuedDuringPeriodValue_2" xml:lang="en-US">Units Issued During Period, Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_UnitsIssuePrice_0" xml:lang="en-US">Represents the price per share of units issued.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_UnitsIssuePrice_1" xml:lang="en-US">Units Issue Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_UnitsIssuePrice_2" xml:lang="en-US">Units issue price in final tranche of private placement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_UnitsIssuePriceAtDateOfIssuance_0" xml:lang="en-US">Units issue price at date of issuance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_UnitsIssuePriceAtDateOfIssuance_1" xml:lang="en-US">Units Issue Price At Date Of Issuance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_UnitsIssuePriceAtDateOfIssuance_2" xml:lang="en-US">Units issue price at date of issuance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ValueOfFullBrokerWarrantsIssued_0" xml:lang="en-US">Value of full broker warrants issued.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ValueOfFullBrokerWarrantsIssued_1" xml:lang="en-US">Value Of Full Broker Warrants Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ValueOfFullBrokerWarrantsIssued_2" xml:lang="en-US">Value of full broker warrants issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_ValueOfStockIssuedForPatents_0" xml:lang="en-US">Represents the value of stock issued for patents.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_ValueOfStockIssuedForPatents_1" xml:lang="en-US">Value Of Stock Issued For Patents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_ValueOfStockIssuedForPatents_2" xml:lang="en-US">Shares issued for patent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantConversionOnAprTwoEight_0" xml:lang="en-US">Warrant conversion on April 28</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantConversionOnAprTwoEight_1" xml:lang="en-US">Warrant Conversion On Apr Two Eight</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantConversionOnAprTwoEight_2" xml:lang="en-US">Warrant conversion on April 28</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantConversionOnAprTwoEightShares_0" xml:lang="en-US">Warrant conversion on April 28 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantConversionOnAprTwoEightShares_1" xml:lang="en-US">Warrant Conversion On Apr Two Eight Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantConversionOnAprTwoEightShares_2" xml:lang="en-US">Warrant conversion on April 28 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantConversionOnAprTwoOne_0" xml:lang="en-US">Warrant conversion on April 21</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantConversionOnAprTwoOne_1" xml:lang="en-US">Warrant Conversion On Apr Two One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantConversionOnAprTwoOne_2" xml:lang="en-US">Warrant conversion on April 21</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantConversionOnAprTwoOneShares_0" xml:lang="en-US">Warrant conversion on April 21 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantConversionOnAprTwoOneShares_1" xml:lang="en-US">Warrant Conversion On Apr Two One Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantConversionOnAprTwoOneShares_2" xml:lang="en-US">Warrant conversion on April 21 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantConversionOnFebruaryTwo_0" xml:lang="en-US">Warrant conversion on February 2</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantConversionOnFebruaryTwo_1" xml:lang="en-US">Warrant Conversion On February Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_WarrantConversionOnFebruaryTwo_2" xml:lang="en-US">Warrant conversion on February 2</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantConversionOnFebruaryTwoShares_0" xml:lang="en-US">Warrant conversion on February 2 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantConversionOnFebruaryTwoShares_1" xml:lang="en-US">Warrant Conversion On February Two Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_WarrantConversionOnFebruaryTwoShares_2" xml:lang="en-US">Warrant conversion on February 2 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantExercisePrice_0" xml:lang="en-US">Amount of warrant exercise price.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantExercisePrice_1" xml:lang="en-US">Warrant Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantExercisePrice_2" xml:lang="en-US">Warrant exercise price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantExercisePriceEightMember_0" xml:lang="en-US">Warrant exercise price 8</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantExercisePriceEightMember_1" xml:lang="en-US">Warrant Exercise Price Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantExercisePriceEightMember_2" xml:lang="en-US">Warrant exercise price 8 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantExercisePriceFiveMember_0" xml:lang="en-US">Warrant exercise price 5</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantExercisePriceFiveMember_1" xml:lang="en-US">Warrant Exercise Price Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantExercisePriceFiveMember_2" xml:lang="en-US">Warrant exercise price 5 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantExercisePriceFourMember_0" xml:lang="en-US">Warrant exercise price 4</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantExercisePriceFourMember_1" xml:lang="en-US">Warrant Exercise Price Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantExercisePriceFourMember_2" xml:lang="en-US">Warrant exercise price 4 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantExercisePriceNineMember_0" xml:lang="en-US">Warrant exercise price 9</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantExercisePriceNineMember_1" xml:lang="en-US">Warrant Exercise Price Nine [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantExercisePriceNineMember_2" xml:lang="en-US">Warrant exercise price 9 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantExercisePriceOneMember_0" xml:lang="en-US">Warrant exercise price 1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantExercisePriceOneMember_1" xml:lang="en-US">Warrant Exercise Price One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantExercisePriceOneMember_2" xml:lang="en-US">Warrant exercise price 0.05 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantExercisePriceOneOneMember_0" xml:lang="en-US">Warrant exercise price 11</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantExercisePriceOneOneMember_1" xml:lang="en-US">Warrant Exercise Price One One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantExercisePriceOneOneMember_2" xml:lang="en-US">Warrant exercise price 11 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantExercisePriceOneThreeMember_0" xml:lang="en-US">Warrant exercise price 13</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantExercisePriceOneThreeMember_1" xml:lang="en-US">Warrant Exercise Price One Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantExercisePriceOneThreeMember_2" xml:lang="en-US">Warrant exercise price 13 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantExercisePriceOneTwoMember_0" xml:lang="en-US">Warrant exercise price 12</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantExercisePriceOneTwoMember_1" xml:lang="en-US">Warrant Exercise Price One Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantExercisePriceOneTwoMember_2" xml:lang="en-US">Warrant exercise price 12 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantExercisePriceOneZeroMember_0" xml:lang="en-US">Warrant exercise price 10</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantExercisePriceOneZeroMember_1" xml:lang="en-US">Warrant Exercise Price One Zero [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantExercisePriceOneZeroMember_2" xml:lang="en-US">Warrant exercise price 10 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantExercisePriceSevenMember_0" xml:lang="en-US">Warrant exercise price 7</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantExercisePriceSevenMember_1" xml:lang="en-US">Warrant Exercise Price Seven [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantExercisePriceSevenMember_2" xml:lang="en-US">Warrant exercise price 7 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantExercisePriceSixMember_0" xml:lang="en-US">Warrant exercise price 6</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantExercisePriceSixMember_1" xml:lang="en-US">Warrant Exercise Price Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantExercisePriceSixMember_2" xml:lang="en-US">Warrant exercise price 6 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantExercisePriceThreeMember_0" xml:lang="en-US">Warrant exercise price 3</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantExercisePriceThreeMember_1" xml:lang="en-US">Warrant Exercise Price Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantExercisePriceThreeMember_2" xml:lang="en-US">Warrant exercise price 0.04 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantExercisePriceTwoMember_0" xml:lang="en-US">Warrant exercise price 2</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantExercisePriceTwoMember_1" xml:lang="en-US">Warrant Exercise Price Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantExercisePriceTwoMember_2" xml:lang="en-US">Warrant exercise price 0.05 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantExpiryDate_0" xml:lang="en-US">Represents warrant expiry date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantExpiryDate_1" xml:lang="en-US">Warrant Expiry Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantExrecisePriceFourMember_0" xml:lang="en-US">Warrant Exrecise Price Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantExrecisePriceFourMember_1" xml:lang="en-US">Warrants exercise price 0.09 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantOptionsIssuedOnFebruaryTwoEight_0" xml:lang="en-US">Warrant options issued on February 28</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantOptionsIssuedOnFebruaryTwoEight_1" xml:lang="en-US">Warrant Options Issued On February Two Eight</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_WarrantOptionsIssuedOnFebruaryTwoEight_2" xml:lang="en-US">Warrant options issued on February 28</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantOptionsIssuedOnFebruaryTwoEightShares_0" xml:lang="en-US">Warrant options issued on February 28 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantOptionsIssuedOnFebruaryTwoEightShares_1" xml:lang="en-US">Warrant Options Issued On February Two Eight Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_WarrantOptionsIssuedOnFebruaryTwoEightShares_2" xml:lang="en-US">Warrant options issued on February 28 (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantsAttachedToUnitsMember_0" xml:lang="en-US">Warrants attached to units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantsAttachedToUnitsMember_1" xml:lang="en-US">Warrants attached to units [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantsIssueDate_0" xml:lang="en-US">Represents warrants issue date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantsIssueDate_1" xml:lang="en-US">Warrants Issue Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantsIssueDateFourMember_0" xml:lang="en-US">warrants Issue Date four</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantsIssueDateFourMember_1" xml:lang="en-US">Warrants Issue Date Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_WarrantsIssueDateFourMember_2" xml:lang="en-US">January 14, 2021 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantsIssueDateFourMember_3" xml:lang="en-US">Warrants exercise price 0.09 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantsIssueDateOneMember_0" xml:lang="en-US">warrants Issue Date one</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantsIssueDateOneMember_1" xml:lang="en-US">Warrants Issue Date One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_WarrantsIssueDateOneMember_2" xml:lang="en-US">August 31, 2018 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantsIssueDateOneMember_3" xml:lang="en-US">Warrant exercise price 0.05 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantsIssueDateThreeMember_0" xml:lang="en-US">warrants Issue Date three</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantsIssueDateThreeMember_1" xml:lang="en-US">Warrants Issue Date Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_WarrantsIssueDateThreeMember_2" xml:lang="en-US">March 27, 2019 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantsIssueDateThreeMember_3" xml:lang="en-US">Warrant exercise price 0.04 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantsIssueDateTwoMember_0" xml:lang="en-US">warrants Issue Date two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantsIssueDateTwoMember_1" xml:lang="en-US">Warrants Issue Date Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_WarrantsIssueDateTwoMember_2" xml:lang="en-US">September 21, 2018 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantsIssueDateTwoMember_3" xml:lang="en-US">Warrant exercise price 0.05 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WarrantsIssuedForCash_0" xml:lang="en-US">Represent the amount of Warrants issued for cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WarrantsIssuedForCash_1" xml:lang="en-US">Warrants Issued For Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_enrt_WarrantsIssuedForCash_2" xml:lang="en-US">Warrants issued for cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WestTonopahPropertyMember_0" xml:lang="en-US">This member represents about West Tonopah Property.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WestTonopahPropertyMember_1" xml:lang="en-US">West Tonopah Property [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_enrt_WriteDownOfLongTermInvestments_0" xml:lang="en-US">Write down of long term investments in affiliated company</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_enrt_WriteDownOfLongTermInvestments_1" xml:lang="en-US">Write off of long-term investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_enrt_WriteDownOfLongTermInvestments_2" xml:lang="en-US">Write Down Of Long Term Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_enrt_WriteDownOfLongTermInvestments_3" xml:lang="en-US">Write off of long-term investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_AmericasMember_0" xml:lang="en-US">Americas [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_AmericasMember_1" xml:lang="en-US">United States of America [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_ChiefFinancialOfficerMember_0" xml:lang="en-US">Chief Financial Officer [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_ConsolidationItemsAxis_0" xml:lang="en-US">Consolidation Items [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_ConsolidationItemsDomain_0" xml:lang="en-US">Consolidation Items [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_DirectorMember_0" xml:lang="en-US">Director [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_DirectorMember_1" xml:lang="en-US">Two Directors [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_srt_DirectorMember_2" xml:lang="en-US">Directors [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_EquityMethodInvesteeNameDomain_0" xml:lang="en-US">Investment, Name [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_MaximumMember_0" xml:lang="en-US">Maximum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_MinimumMember_0" xml:lang="en-US">Minimum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_OfficerMember_0" xml:lang="en-US">Officer [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_OtherPropertyMember_0" xml:lang="en-US">Other Property [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_srt_OtherPropertyMember_1" xml:lang="en-US">Mineral property [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_OwnershipAxis_0" xml:lang="en-US">Ownership [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_OwnershipDomain_0" xml:lang="en-US">Ownership [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_PresidentMember_0" xml:lang="en-US">President [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_RangeAxis_0" xml:lang="en-US">Statistical Measurement [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_RangeMember_0" xml:lang="en-US">Statistical Measurement [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_0" xml:lang="en-US">Investment, Name [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_SegmentGeographicalDomain_0" xml:lang="en-US">Geographical [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_StatementGeographicalAxis_0" xml:lang="en-US">Geographical [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_TitleOfIndividualAxis_0" xml:lang="en-US">Title and Position [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain_0" xml:lang="en-US">Title and Position [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AccountingPoliciesAbstract_0" xml:lang="en-US">Accounting Policies [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AccountsPayableCurrent_0" xml:lang="en-US">Accounts payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AccountsPayableCurrent_1" xml:lang="en-US">Accounts payable and accrued liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_0" xml:lang="en-US">Accounts Receivable, after Allowance for Credit Loss, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_1" xml:lang="en-US">Accounts receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AdditionalPaidInCapital_0" xml:lang="en-US">Additional paid-in capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember_0" xml:lang="en-US">ADDITIONAL PAID-IN CAPITAL [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember_1" xml:lang="en-US">ADDITIONAL PAID-IN CAPITAL [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_0" xml:lang="en-US">Changes to reconcile net loss to net cash used in operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_0" xml:lang="en-US">APIC, Share-Based Payment Arrangement, Option, Increase for Cost Recognition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_1" xml:lang="en-US">Stock Based Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_2" xml:lang="en-US">Stock based compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AdvertisingExpense_0" xml:lang="en-US">Investor relation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AdvertisingExpense_1" xml:lang="en-US">Investor relations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_0" xml:lang="en-US">Antidilutive Securities [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_0" xml:lang="en-US">Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AntidilutiveSecuritiesNameDomain_0" xml:lang="en-US">Antidilutive Securities, Name [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AreaOfLand_0" xml:lang="en-US">Area of Land</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AreaOfLand_1" xml:lang="en-US">Area of mineral claims</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ArrangementsAndNonarrangementTransactionsMember_0" xml:lang="en-US">Collaborative Arrangement and Arrangement Other than Collaborative [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AssetAcquisitionContingentConsiderationTableTextBlock_0" xml:lang="en-US">Asset Acquisition, Contingent Consideration [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AssetAcquisitionContingentConsiderationTableTextBlock_1" xml:lang="en-US">Schedule of consideration for purchase of Hydrogen Technology [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_Assets_0" xml:lang="en-US">Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_Assets_1" xml:lang="en-US">Total Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_Assets_2" xml:lang="en-US">TOTAL ASSETS</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AssetsAbstract_0" xml:lang="en-US">ASSETS</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AssetsCurrent_0" xml:lang="en-US">Assets, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_AssetsCurrent_1" xml:lang="en-US">Total Current Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AssetsCurrentAbstract_0" xml:lang="en-US">Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AssetsNoncurrentAbstract_0" xml:lang="en-US">Assets, Noncurrent [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_AssetsNoncurrentAbstract_1" xml:lang="en-US">Non-current assets, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AwardDateAxis_0" xml:lang="en-US">Award Date [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AwardDateDomain_0" xml:lang="en-US">Award Date [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_0" xml:lang="en-US">Basis of Presentation [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_BusinessCombinationContingentConsiderationAsset_0" xml:lang="en-US">Business Combination, Contingent Consideration, Asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_BusinessCombinationContingentConsiderationAsset_1" xml:lang="en-US">Total consideration expensed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_us-gaap_Cash_0" xml:lang="en-US">Cash and cash equivalents at end of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_us-gaap_Cash_1" xml:lang="en-US">Cash and cash equivalents at beginning of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_Cash_2" xml:lang="en-US">Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_Cash_3" xml:lang="en-US">Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_Cash_4" xml:lang="en-US">Cash and Cash Equivalent, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_Cash_5" xml:lang="en-US">Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_0" xml:lang="en-US">Cash and cash equivalents at end of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_1" xml:lang="en-US">Cash and cash equivalents at beginning of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_2" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_3" xml:lang="en-US">Cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_4" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_0" xml:lang="en-US">Cash and Cash Equivalents, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_1" xml:lang="en-US">Cash and Cash Equivalents [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0" xml:lang="en-US">Cash and cash equivalents at end of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_1" xml:lang="en-US">Cash and cash equivalents at beginning of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_2" xml:lang="en-US">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_0" xml:lang="en-US">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_1" xml:lang="en-US">Increase (decrease) in cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CashEquivalentsAtCarryingValue_0" xml:lang="en-US">Cash Equivalents, at Carrying Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CashEquivalentsAtCarryingValue_1" xml:lang="en-US">Cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_CashEquivalentsAtCarryingValue_2" xml:lang="en-US">Cash Equivalents, at Carrying Value, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ClassOfStockLineItems_0" xml:lang="en-US">Class of Stock [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable_0" xml:lang="en-US">Class of Warrant or Right, Date from which Warrants or Rights Exercisable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable_1" xml:lang="en-US">Issue Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ClassOfWarrantOrRightAxis_0" xml:lang="en-US">Class of Warrant or Right [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ClassOfWarrantOrRightDomain_0" xml:lang="en-US">Class of Warrant or Right [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_0" xml:lang="en-US">Class of Warrant or Right, Exercise Price of Warrants or Rights</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_1" xml:lang="en-US">Warrant exercise price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_2" xml:lang="en-US">Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ClassOfWarrantOrRightLineItems_0" xml:lang="en-US">Class of Warrant or Right [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_us-gaap_ClassOfWarrantOrRightOutstanding_0" xml:lang="en-US">Number of warrants, outstanding, end of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_us-gaap_ClassOfWarrantOrRightOutstanding_1" xml:lang="en-US">Number of warrants, outstanding, beginning of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ClassOfWarrantOrRightOutstanding_2" xml:lang="en-US">Class of Warrant or Right, Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ClassOfWarrantOrRightOutstanding_3" xml:lang="en-US">Number of Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ClassOfWarrantOrRightTable_0" xml:lang="en-US">Class of Warrant or Right [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_0" xml:lang="en-US">Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_0" xml:lang="en-US">Commitments and Contingencies Disclosure [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommitmentsDisclosureTextBlock_0" xml:lang="en-US">COMMITMENTS [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommonStockMember_0" xml:lang="en-US">COMMON STOCK [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_0" xml:lang="en-US">Common Stock, Par or Stated Value Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_1" xml:lang="en-US">Common stock, par value per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_2" xml:lang="en-US">Par value per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_0" xml:lang="en-US">Common Stock, Shares Authorized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_1" xml:lang="en-US">Common stock, shares authorized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommonStockSharesIssued_0" xml:lang="en-US">Common Stock, Shares, Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CommonStockSharesIssued_1" xml:lang="en-US">Common stock, shares issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_CommonStockSharesIssued_2" xml:lang="en-US">Common stock issued for cash (Shares)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_0" xml:lang="en-US">Common Stock, Shares, Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_1" xml:lang="en-US">Common stock, shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_2" xml:lang="en-US">Common Stock, Shares, Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CommonStockValue_0" xml:lang="en-US">Common Stock, Value, Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_CommonStockValue_1" xml:lang="en-US">Authorized: 500,000,000 common voting shares with a par value of $0.001 per share Issued and outstanding: 10,339,394 common shares at February 28, 2026 and August 31, 2025</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_Communication_0" xml:lang="en-US">Telephone</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ComparabilityOfPriorYearFinancialData_0" xml:lang="en-US">Comparability of Prior Year Financial Data, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ComparabilityOfPriorYearFinancialData_1" xml:lang="en-US">Comparative Information [ Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_0" xml:lang="en-US">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_1" xml:lang="en-US">Comprehensive Income (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_2" xml:lang="en-US">Comprehensive Income loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_0" xml:lang="en-US">Consolidation, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_1" xml:lang="en-US">Basis of Consolidation [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_2" xml:lang="en-US">Basis of Consolidation [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_CorporateMember_0" xml:lang="en-US">Corporate Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_CorporateMember_1" xml:lang="en-US">Corporate [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract_0" xml:lang="en-US">Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock_0" xml:lang="en-US">Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock_1" xml:lang="en-US">Schedule of prepaid expenses and deposits [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_0" xml:lang="en-US">Capital loss carry forwards</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_1" xml:lang="en-US">Capital loss carry forwards</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredTaxAssetsGross_0" xml:lang="en-US">Deferred tax assets, gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_DeferredTaxAssetsGross_1" xml:lang="en-US">Deferred tax assets, gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredTaxAssetsLiabilitiesNet_0" xml:lang="en-US">Deferred tax assets (liabilities)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_DeferredTaxAssetsLiabilitiesNet_1" xml:lang="en-US">Deferred tax assets (liabilities)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_0" xml:lang="en-US">Net operating loss carry forwards</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredTaxAssetsOther_0" xml:lang="en-US">Deferred tax assets, other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_DeferredTaxAssetsOther_1" xml:lang="en-US">Deferred tax assets, other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance_0" xml:lang="en-US">Valuation allowance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance_1" xml:lang="en-US">Valuation allowance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_0" xml:lang="en-US">Share-Based Payment Arrangement [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_0" xml:lang="en-US">Share-based Payment Arrangement [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_1" xml:lang="en-US">STOCK OPTIONS AND WARRANTS [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_0" xml:lang="en-US">Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_1" xml:lang="en-US">Schedule of options outstanding and exercisable [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_2" xml:lang="en-US">Schedule of share-based compensation arrangements by share-based payment award [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EarliestTaxYearMember_0" xml:lang="en-US">Earliest Tax Year [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_EarliestTaxYearMember_1" xml:lang="en-US">Previous Tax Year [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EarningsPerShareAbstract_0" xml:lang="en-US">Earnings Per Share [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_EarningsPerShareAbstract_1" xml:lang="en-US">Net income (loss) per common share:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EarningsPerShareBasic_0" xml:lang="en-US">Earnings Per Share, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_EarningsPerShareBasic_1" xml:lang="en-US">Basic income (loss) per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_EarningsPerShareBasic_2" xml:lang="en-US">Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EarningsPerShareDiluted_0" xml:lang="en-US">Earnings Per Share, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_EarningsPerShareDiluted_1" xml:lang="en-US">Diluted income (loss) per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_EarningsPerShareDiluted_2" xml:lang="en-US">Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock_0" xml:lang="en-US">Loss Per Share [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock_1" xml:lang="en-US">Earnings Per Share [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_0" xml:lang="en-US">Earnings Per Share [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_1" xml:lang="en-US">NET INCOME (LOSS) PER COMMON SHARE [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_0" xml:lang="en-US">Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_1" xml:lang="en-US">Statutory tax rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_EmployeeStockOptionMember_0" xml:lang="en-US">Options [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EmployeeStockOptionMember_1" xml:lang="en-US">Share-Based Payment Arrangement, Option [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_EmployeeStockOptionMember_2" xml:lang="en-US">Option [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EquityComponentDomain_0" xml:lang="en-US">Equity Component [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_0" xml:lang="en-US">Equity Method Investment, Ownership Percentage</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ExplorationExpense_0" xml:lang="en-US">Exploration Expense</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_0" xml:lang="en-US">Financial Instruments [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FinancialInstrumentAxis_0" xml:lang="en-US">Financial Instrument [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_0" xml:lang="en-US">Finite-Lived Intangible Assets by Major Class [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_0" xml:lang="en-US">Finite-Lived Intangible Assets, Major Class Name [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_0" xml:lang="en-US">Gain (Loss), Foreign Currency Transaction, before Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_1" xml:lang="en-US">Foreign exchange loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_2" xml:lang="en-US">Foreign exchange gain (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossRealized_0" xml:lang="en-US">Foreign exchange loss on disposal of marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossRealized_1" xml:lang="en-US">Realized Gain (Loss), Foreign Currency Transaction, before Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossRealized_2" xml:lang="en-US">Realized Foreign exchange loss on disposal</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossRealized_3" xml:lang="en-US">Realized foreign exchange gain (loss) on marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_0" xml:lang="en-US">Unrealized foreign exchange loss on marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_1" xml:lang="en-US">Unrealized Gain (Loss), Foreign Currency Transaction, before Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_2" xml:lang="en-US">Unrealized foreign exchange gain (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_3" xml:lang="en-US">Unrealized foreign exchange loss on marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets_0" xml:lang="en-US">Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets_1" xml:lang="en-US">Gain on sale of property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets_2" xml:lang="en-US">Gain from mineral property sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_GeneralAndAdministrativeExpense_0" xml:lang="en-US">Office and miscellaneous</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_0" xml:lang="en-US">Loss before taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_1" xml:lang="en-US">Income (loss) before taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_2" xml:lang="en-US">Loss before taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeStatementAbstract_0" xml:lang="en-US">Income Statement [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxDisclosureAbstract_0" xml:lang="en-US">Income Tax Disclosure [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_0" xml:lang="en-US">INCOME TAXES [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_0" xml:lang="en-US">Income Taxes Paid, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_1" xml:lang="en-US">Cash paid for taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_2" xml:lang="en-US">Income Taxes Paid, Net, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_0" xml:lang="en-US">Income tax expense (recovery)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_1" xml:lang="en-US">Income tax expense (recovery)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_0" xml:lang="en-US">Change in valuation allowance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_1" xml:lang="en-US">Change in valuation allowance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_0" xml:lang="en-US">Change in enacted rates and other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_1" xml:lang="en-US">Change in enacted rates and other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_0" xml:lang="en-US">Expected income tax recovery</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_1" xml:lang="en-US">Expected income tax expense (recovery)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_2" xml:lang="en-US">Expected income tax recovery</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncomeTaxReconciliationNondeductibleExpense_0" xml:lang="en-US">Non-deductible items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_IncomeTaxReconciliationNondeductibleExpense_1" xml:lang="en-US">Non-deductible items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_0" xml:lang="en-US">Accounts payable and accrued liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_1" xml:lang="en-US">Accounts payable and accrued liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_0" xml:lang="en-US">Accounts receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_1" xml:lang="en-US">Accounts receivable (IncreaseDecreaseInAccountsReceivable)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncreaseDecreaseInDueToRelatedParties_0" xml:lang="en-US">Due to related parties (IncreaseDecreaseInDueToRelatedParties)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncreaseDecreaseInDueToRelatedParties_1" xml:lang="en-US">Due to related parties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_0" xml:lang="en-US">Change in non-cash working capital items:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_1" xml:lang="en-US">Change in non-cash working capital items:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidExpense_0" xml:lang="en-US">Prepaid expenses and deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidExpense_1" xml:lang="en-US">Prepaid expenses and deposit (IncreaseDecreaseInPrepaidExpense)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_0" xml:lang="en-US">Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_1" xml:lang="en-US">Dilutive potential commons shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_InterestPaid_0" xml:lang="en-US">Interest paid in cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_InterestPaidNet_0" xml:lang="en-US">Interest Paid, Excluding Capitalized Interest, Operating Activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_InterestPaidNet_1" xml:lang="en-US">Cash paid for interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_InterestPaidNet_2" xml:lang="en-US">Interest Paid, Including Capitalized Interest, Operating and Investing Activities, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_0" xml:lang="en-US">Inventories and Cost of Sales [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_InvestmentOwnedBalanceShares_0" xml:lang="en-US">Investment Owned, Balance, Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_InvestmentOwnedBalanceShares_1" xml:lang="en-US">Number of shares invested</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0" xml:lang="en-US">Investments, Debt and Equity Securities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_0" xml:lang="en-US">Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_1" xml:lang="en-US">MARKETABLE SECURITIES [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_InvestmentSoldNotYetPurchasedBalanceShares_0" xml:lang="en-US">Security Sold Short, Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_InvestmentSoldNotYetPurchasedBalanceShares_1" xml:lang="en-US">Investment Sold, Not yet Purchased, Balance, Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LatestTaxYearMember_0" xml:lang="en-US">Latest Tax Year [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LatestTaxYearMember_1" xml:lang="en-US">Current Tax Year [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LeaseAndRentalExpense_0" xml:lang="en-US">Rent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LegalFees_0" xml:lang="en-US">Legal Fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LegalFees_1" xml:lang="en-US">Legal and professional</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_Liabilities_0" xml:lang="en-US">Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_Liabilities_1" xml:lang="en-US">Total Current Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LiabilitiesAbstract_0" xml:lang="en-US">LIABILITIES</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_0" xml:lang="en-US">Total Liabilities and Stockholders' Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_1" xml:lang="en-US">TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_0" xml:lang="en-US">LIABILITIES AND STOCKHOLDERS' DEFICIT</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_1" xml:lang="en-US">STOCKHOLDERS' EQUITY (DEFICIENCY)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LiabilitiesCurrent_0" xml:lang="en-US">Liabilities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_LiabilitiesCurrent_1" xml:lang="en-US">Total Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_0" xml:lang="en-US">Current (LiabilitiesCurrentAbstract)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_1" xml:lang="en-US">Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LoansPayableCurrent_0" xml:lang="en-US">Loans Payable, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LoansPayableCurrent_1" xml:lang="en-US">Loan from related party</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LongLivedAssetsByGeographicAreasTableTextBlock_0" xml:lang="en-US">Long-Lived Assets by Geographic Areas [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LongLivedAssetsByGeographicAreasTableTextBlock_1" xml:lang="en-US">Schedule of long term assets [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_LossOnSaleOfInvestments_0" xml:lang="en-US">Loss on disposal of marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_us-gaap_LossOnSaleOfInvestments_1" xml:lang="en-US">Realized loss on marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel" xlink:label="lab_us-gaap_LossOnSaleOfInvestments_2" xml:lang="en-US">Loss on disposal of marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_LossOnSaleOfInvestments_3" xml:lang="en-US">Loss on Sale of Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_LossOnSaleOfInvestments_4" xml:lang="en-US">Realized loss on disposal</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_LossOnSaleOfInvestments_5" xml:lang="en-US">Gain on disposal of marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_us-gaap_MarketableSecuritiesCurrent_0" xml:lang="en-US">Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_us-gaap_MarketableSecuritiesCurrent_1" xml:lang="en-US">Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_MarketableSecuritiesCurrent_2" xml:lang="en-US">Marketable Securities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_MarketableSecuritiesLineItems_0" xml:lang="en-US">Marketable Securities [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_MarketableSecuritiesPolicy_0" xml:lang="en-US">Marketable Securities [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments_0" xml:lang="en-US">Loss on disposal of marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_us-gaap_MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments_1" xml:lang="en-US">Realized gain (loss) on marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments_2" xml:lang="en-US">Marketable Security, Realized Gain (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments_3" xml:lang="en-US">Realized loss on disposal</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_MarketableSecuritiesUnrealizedGainLoss_1" xml:lang="en-US">Marketable Securities, Unrealized Gain (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_MarketableSecuritiesUnrealizedGainLoss_2" xml:lang="en-US">Mark to market</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_MembersEquityAttributableToNoncontrollingInterest_0" xml:lang="en-US">Members' Equity Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_MembersEquityAttributableToNoncontrollingInterest_1" xml:lang="en-US">Non-controlling interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_MineralIndustriesDisclosuresAbstract_0" xml:lang="en-US">Mineral Industries Disclosures [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_MineralIndustriesDisclosuresTextBlock_0" xml:lang="en-US">MINERAL PROPERTY [Text Block]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_MineralPropertiesNet_1" xml:lang="en-US">Mineral property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:label="lab_us-gaap_MinorityInterestOwnershipPercentageByParent_0" xml:lang="en-US">Ownership percentage in CapNTrack Inc. subsidiary</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_MinorityInterestOwnershipPercentageByParent_1" xml:lang="en-US">Subsidiary, Ownership Percentage, Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_MinorityInterestOwnershipPercentageByParent_2" xml:lang="en-US">Percentage of controlling interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_MinorityInterestOwnershipPercentageByParent_3" xml:lang="en-US">Ownership percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_MoneyMarketFundsAtCarryingValue_0" xml:lang="en-US">Money Market Funds, at Carrying Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_MoneyMarketFundsAtCarryingValue_1" xml:lang="en-US">Money market funds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_0" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1" xml:lang="en-US">Net cash used in investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1" xml:lang="en-US">Cash flows used in investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_0" xml:lang="en-US">Net cash used in operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_1" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_2" xml:lang="en-US">Net cash (used in) operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_3" xml:lang="en-US">Net cash used in operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_4" xml:lang="en-US">Working Capital Deficit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_0" xml:lang="en-US">Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1" xml:lang="en-US">Cash flows used in operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_NetIncomeLoss_0" xml:lang="en-US">Net Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_us-gaap_NetIncomeLoss_1" xml:lang="en-US">Net Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel" xlink:label="lab_us-gaap_NetIncomeLoss_2" xml:lang="en-US">Segment Loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveVerboseLabel" xlink:label="lab_us-gaap_NetIncomeLoss_3" xml:lang="en-US">Net income (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NetIncomeLoss_4" xml:lang="en-US">Net Income (Loss) Attributable to Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_NetIncomeLoss_5" xml:lang="en-US">Net Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_NetIncomeLoss_6" xml:lang="en-US">Net income (loss) for the period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_NetIncomeLoss_7" xml:lang="en-US">Segment Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_0" xml:lang="en-US">Non controlling interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_1" xml:lang="en-US">Net Income (Loss) Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_2" xml:lang="en-US">Non controlling interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_3" xml:lang="en-US">Non controlling interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NetIncomeLossAttributableToParentDiluted_0" xml:lang="en-US">Net Income (Loss) Attributable to Parent, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_NetIncomeLossAttributableToParentDiluted_1" xml:lang="en-US">Net income (loss) - diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NetIncomeLossAttributableToParentDilutedAbstract_0" xml:lang="en-US">Net Income (Loss) Attributable to Parent, Diluted [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_NetIncomeLossAttributableToParentDilutedAbstract_1" xml:lang="en-US">Numerator:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_0" xml:lang="en-US">Net Income (Loss) Available to Common Stockholders, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_1" xml:lang="en-US">Common shareholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_0" xml:lang="en-US">New Accounting Pronouncements, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_1" xml:lang="en-US">Recent Accounting Pronouncements [Policy Text Block]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_NoncontrollingInterestMember_1" xml:lang="en-US">NON-CONTROLLING INTEREST [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NoncurrentAssets_0" xml:lang="en-US">Long-Lived Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_NoncurrentAssets_1" xml:lang="en-US">Long term Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NoninterestExpenseDirectorsFees_0" xml:lang="en-US">Director Fee</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_NoninterestExpenseDirectorsFees_1" xml:lang="en-US">Director fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NonoperatingIncomeExpenseAbstract_0" xml:lang="en-US">Other income (expense)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_NumberOfReportableSegments_0" xml:lang="en-US">Number of Reportable Segments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_NumberOfReportableSegments_1" xml:lang="en-US">Number of reportable segments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_OperatingExpenses_0" xml:lang="en-US">Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OperatingExpenses_1" xml:lang="en-US">Total expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_OperatingExpenses_2" xml:lang="en-US">Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_OperatingExpenses_3" xml:lang="en-US">Total expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OperatingExpensesAbstract_0" xml:lang="en-US">Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OperatingIncomeLoss_0" xml:lang="en-US">Loss for the period before other items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_OperatingIncomeLoss_1" xml:lang="en-US">Loss for the period before other items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OperatingLossCarryforwards_0" xml:lang="en-US">Net operating loss carry forwards (OperatingLossCarryforwards)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_OperatingLossCarryforwards_1" xml:lang="en-US">Net operating loss carry forwards</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OperatingSegmentsMember_0" xml:lang="en-US">Operating Segments [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_0" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_0" xml:lang="en-US">ORGANIZATION [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OtherCommitment_0" xml:lang="en-US">Consulting services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_OtherCommitment_1" xml:lang="en-US">Corporate administration and consulting services per month plus goods and services tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OtherCommitmentsLineItems_0" xml:lang="en-US">Other Commitments [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OtherExpenses_0" xml:lang="en-US">Fees and dues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OtherIntangibleAssetsMember_0" xml:lang="en-US">Intangible Assets [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OtherLiabilitiesCurrent_0" xml:lang="en-US">Other Liabilities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_OtherLiabilitiesCurrent_1" xml:lang="en-US">Due to related party</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_OtherLiabilitiesCurrent_2" xml:lang="en-US">Due to the President</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_0" xml:lang="en-US">Recovery of exploration costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_1" xml:lang="en-US">Other Noncash Income (Expense)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OtherNonrecurringIncome_0" xml:lang="en-US">Other Nonrecurring Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_OtherNonrecurringIncome_1" xml:lang="en-US">Other income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_OtherNonrecurringIncome_2" xml:lang="en-US">Other Nonrecurring (Income) Expense, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_OtherNonrecurringIncomeExpense_0" xml:lang="en-US">Other Nonrecurring (Income) Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_OtherNonrecurringIncomeExpense_1" xml:lang="en-US">Other income (expenses)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_OtherNonrecurringIncomeExpense_2" xml:lang="en-US">Other Nonrecurring (Income) Expense, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_OtherNonrecurringIncomeExpense_3" xml:lang="en-US">Other income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PatentsMember_0" xml:lang="en-US">Patents [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PatentsMember_1" xml:lang="en-US">Patents [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PaymentsOfStockIssuanceCosts_0" xml:lang="en-US">Payments of Stock Issuance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PaymentsToAcquireMarketableSecurities_0" xml:lang="en-US">Payments to Acquire Marketable Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PaymentsToAcquireMarketableSecurities_1" xml:lang="en-US">Additions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PaymentsToAcquireRoyaltyInterestsInMiningProperties_0" xml:lang="en-US">Payments to Acquire Royalty Interests in Mining Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PaymentsToAcquireRoyaltyInterestsInMiningProperties_1" xml:lang="en-US">Cash consideration for unpatented mineral claims</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PlanNameAxis_0" xml:lang="en-US">Plan Name [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PlanNameDomain_0" xml:lang="en-US">Plan Name [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PrepaidExpenseAndOtherAssets_0" xml:lang="en-US">Prepaid Expense and Other Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PrepaidExpenseAndOtherAssets_1" xml:lang="en-US">Remaining BLM claims paid included in prepaids</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PrepaidExpenseCurrent_0" xml:lang="en-US">Prepaid Expense, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PrepaidExpenseCurrent_1" xml:lang="en-US">Prepaid expenses and deposit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_PrepaidExpenseCurrent_2" xml:lang="en-US">Total Prepaid Expenses &amp; Deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_PrepaidExpenseCurrentAbstract_0" xml:lang="en-US">Prepaid Expense, Current [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_PrepaidExpenseCurrentAbstract_1" xml:lang="en-US">Prepaid Expenses &amp; Deposits</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_2" xml:lang="en-US">Proceeds from Sale and Maturity of Marketable Securities</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ProceedsFromWarrantExercises_1" xml:lang="en-US">Net proceeds from warrants exercised</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ProfessionalFees_0" xml:lang="en-US">Accounting and audit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ProgramRightsObligationsAbstract_0" xml:lang="en-US">Program Rights Obligations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RelatedPartyDomain_0" xml:lang="en-US">Related and Nonrelated Parties [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RelatedPartyTransactionAxis_0" xml:lang="en-US">Related Party Transaction [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RelatedPartyTransactionDomain_0" xml:lang="en-US">Related Party Transaction [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_0" xml:lang="en-US">Related Party Transaction, Expenses from Transactions with Related Party</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_1" xml:lang="en-US">Related Party Transaction, Expenses from Transactions with Related Party</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RelatedPartyTransactionLineItems_0" xml:lang="en-US">Related Party Transaction [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RelatedPartyTransactionsAbstract_0" xml:lang="en-US">Related Party Transactions [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0" xml:lang="en-US">Related and Nonrelated Parties [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_0" xml:lang="en-US">Related Party Transactions Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_1" xml:lang="en-US">RELATED PARTY TRANSACTIONS [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_us-gaap_RepaymentsOfRelatedPartyDebt_0" xml:lang="en-US">Repayment of related party payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_RepaymentsOfRelatedPartyDebt_1" xml:lang="en-US">Repayments of Related Party Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis_0" xml:lang="en-US">Research and Development Arrangement, Contract to Perform for Others, Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersLineItems_0" xml:lang="en-US">Research and Development Arrangement, Contract to Perform for Others [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTextBlock_0" xml:lang="en-US">Research and Development Arrangement, Contract to Perform for Others [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTextBlock_1" xml:lang="en-US">Schedule of research and development [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersTypeDomain_0" xml:lang="en-US">Research and Development Arrangement, Contract to Perform for Others, Type [Domain]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveVerboseLabel" xlink:label="lab_us-gaap_ResearchAndDevelopmentExpense_2" xml:lang="en-US">Research and development expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ResearchAndDevelopmentExpense_3" xml:lang="en-US">Research and Development Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ResearchAndDevelopmentExpense_4" xml:lang="en-US">Research and development</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ResearchAndDevelopmentExpense_5" xml:lang="en-US">Research and development expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ResearchAndDevelopmentExpenseAbstract_0" xml:lang="en-US">Research and Development Expense [Abstract]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_2" xml:lang="en-US">Deficit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_3" xml:lang="en-US">Cumulative losses</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_0" xml:lang="en-US">Antidilutive Security, Excluded EPS Calculation [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_0" xml:lang="en-US">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_1" xml:lang="en-US">Schedule of dilutive potential common shares [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock_0" xml:lang="en-US">Schedule of Cash and Cash Equivalents [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock_1" xml:lang="en-US">Schedule of cash and cash equivalents [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable_0" xml:lang="en-US">Collaborative Arrangement and Arrangement Other than Collaborative [Table]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_0" xml:lang="en-US">Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_0" xml:lang="en-US">Schedule of Related Party Transactions, by Related Party [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfResearchAndDevelopmentArrangementContractToPerformForOthersTable_0" xml:lang="en-US">Schedule of Research and Development Arrangement, Contract to Perform for Others [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_0" xml:lang="en-US">Schedule of Revenues from External Customers and Long-Lived Assets [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_0" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_0" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_1" xml:lang="en-US">Schedule of segmented information [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_0" xml:lang="en-US">Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_0" xml:lang="en-US">Share-based Payment Arrangement, Option, Exercise Price Range [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_0" xml:lang="en-US">Share-based Payment Arrangement, Option, Activity [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_1" xml:lang="en-US">Schedule of changes in stock options [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfStockByClassTable_0" xml:lang="en-US">Schedule of Stock by Class [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock_0" xml:lang="en-US">Schedule of Weighted Average Number of Shares [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock_1" xml:lang="en-US">Schedule of weighted average number of shares [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SecuritiesAssetsMember_0" xml:lang="en-US">Marketable securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SegmentDomain_0" xml:lang="en-US">Segments [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SegmentReportingAbstract_0" xml:lang="en-US">Segment Reporting [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock_0" xml:lang="en-US">SEGMENTED INFORMATION [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_0" xml:lang="en-US">Segment Reporting Information [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ShareBasedCompensation_0" xml:lang="en-US">Share-Based Payment Arrangement, Noncash Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ShareBasedCompensation_1" xml:lang="en-US">Stock based compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ShareBasedCompensation_2" xml:lang="en-US">Stock based compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_0" xml:lang="en-US">Warrants expiry date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_1" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_2" xml:lang="en-US">Expiry Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_3" xml:lang="en-US">Warrants expiry date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_0" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_1" xml:lang="en-US">Term of stock options issuance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_0" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_1" xml:lang="en-US">Expected dividend yield</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_2" xml:lang="en-US">Dividend rate</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_0" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_1" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_2" xml:lang="en-US">Aggregate Intrinsic Value</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_2" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_2" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_3" xml:lang="en-US">Exercise Price</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward_1" xml:lang="en-US">Validity term</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_0" xml:lang="en-US">Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_1" xml:lang="en-US">Exercise price of expired stock options</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_0" xml:lang="en-US">Exercise prices</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_1" xml:lang="en-US">Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_2" xml:lang="en-US">Exercise price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_3" xml:lang="en-US">Weighted average exercise price of options, issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_0" xml:lang="en-US">Option Exercise Price Range [Axis]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedTerm1_0" xml:lang="en-US">Share-based Goods and Nonemployee Services Transaction, Valuation Method, Expected Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedTerm1_1" xml:lang="en-US">Share-based Goods and Nonemployee Services Transaction, Valuation Method, Expected Term</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedVolatilityRate_1" xml:lang="en-US">Share-based Goods and Nonemployee Services Transaction, Valuation Method, Expected Volatility Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate_0" xml:lang="en-US">Share-based Goods and Nonemployee Services Transaction, Valuation Method, Risk Free Interest Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate_1" xml:lang="en-US">Share-based Goods and Nonemployee Services Transaction, Valuation Method, Risk Free Interest Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SharesIssued_0" xml:lang="en-US">Shares, Issued</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SignificantAccountingPoliciesTextBlock_0" xml:lang="en-US">SIGNIFICANT ACCOUNTING POLICIES [Text Block]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StatementLineItems_0" xml:lang="en-US">Statement [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_0" xml:lang="en-US">Statement of Cash Flows [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract_0" xml:lang="en-US">Statement of Financial Position [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract_0" xml:lang="en-US">Statement of Stockholders Equity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StatementTable_0" xml:lang="en-US">Statement [Table]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_us-gaap_StockholdersEquity_1" xml:lang="en-US">Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StockholdersEquity_2" xml:lang="en-US">Equity, Attributable to Parent</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StockholdersEquityAbstract_0" xml:lang="en-US">Equity, Attributable to Parent [Abstract]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_0" xml:lang="en-US">Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_1" xml:lang="en-US">Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_2" xml:lang="en-US">Equity, Including Portion Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3" xml:lang="en-US">Working capital deficit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4" xml:lang="en-US">Total Stockholders' Equity</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_0" xml:lang="en-US">Equity [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_1" xml:lang="en-US">SHARE CAPITAL [Text Block]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_1" xml:lang="en-US">Stock Issued During Period, Value, New Issues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_2" xml:lang="en-US">Common stock issued for cash</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SubsequentEventsAbstract_0" xml:lang="en-US">Subsequent Events [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SubsequentEventsTextBlock_0" xml:lang="en-US">SUBSEQUENT EVENTS [Text Block]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SubsequentEventTypeAxis_0" xml:lang="en-US">Subsequent Event Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_SubsequentEventTypeDomain_0" xml:lang="en-US">Subsequent Event Type [Domain]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_1" xml:lang="en-US">Supplemental information of cash flows:</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_TransactionDomain_0" xml:lang="en-US">Transaction [Domain]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_TreasuryStockSharesRetired_1" xml:lang="en-US">Number of shares held in escrow returned to treasury and cancelled</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_TypeOfArrangementAxis_0" xml:lang="en-US">Collaborative Arrangement and Arrangement Other than Collaborative [Axis]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_us-gaap_UnrealizedGainLossOnInvestments_1" xml:lang="en-US">Unrealized (gain) loss on marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_us-gaap_UnrealizedGainLossOnInvestments_2" xml:lang="en-US">Realized loss on marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_UnrealizedGainLossOnInvestments_3" xml:lang="en-US">Unrealized Gain (Loss) on Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_UnrealizedGainLossOnInvestments_4" xml:lang="en-US">Realized loss on disposal</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_UnrealizedGainLossOnInvestments_5" xml:lang="en-US">Gain on disposal of marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_UseOfEstimates_0" xml:lang="en-US">Accounting Estimates [Policy Text Block]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_WarrantMember_1" xml:lang="en-US">Warrants [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_WarrantsAndRightsOutstandingMaturityDate_0" xml:lang="en-US">Warrants and Rights Outstanding, Maturity Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_WarrantsAndRightsOutstandingMaturityDate_1" xml:lang="en-US">Expiry Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_0" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted, Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_1" xml:lang="en-US">Effect of dilutive shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_2" xml:lang="en-US">Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_0" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_1" xml:lang="en-US">Weighted average number of common shares outstanding - Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2" xml:lang="en-US">Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_0" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_1" xml:lang="en-US">Denominator:</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_1" xml:lang="en-US">Weighted average number of common shares outstanding - Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2" xml:lang="en-US">Weighted average common shares outstanding</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_StockAppreciationRightsSARSMember_1" xml:lang="en-US">SARs [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1" xml:lang="en-US">Award type [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_us-gaap_AwardTypeAxis_0" xml:lang="en-US">Award Type [Axis]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CityAreaCode_2" xlink:to="lab_dei_CityAreaCode_0"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CoverAbstract_3" xlink:to="lab_dei_CoverAbstract_0"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus_5" xlink:to="lab_dei_DocumentFiscalPeriodFocus_0"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentTransitionReport_9" xlink:to="lab_dei_DocumentTransitionReport_0"/>
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