Document And Entity Information Common stock issued for debt (in shares) Common stock issued for debt settlement (in shares) Golden Sands Exploration, Inc [Member] Represents Golden Sands Exploration Inc. Debt Instrument, Name [Domain] Note To Financial Statement Details Textual Provision for income taxes Net provision for Federal income taxes Significant Accounting Policies us-gaap_DebtInstrumentInterestRateStatedPercentage Debt Instrument, Interest Rate, Stated Percentage ecd_NonRule10b51ArrTrmntdFlag Non-Rule 10b5-1 Arrangement Terminated [Flag] Note 2 - Significant Accounting Policies ecd_NonRule10b51ArrAdoptedFlag Non-Rule 10b5-1 Arrangement Adopted [Flag] Note 5 - Supplemental Oil and Gas Information Trading Arrangements, by Individual [Table] Note 6 - Crypto Assets (Bitcoin) Material Terms of Trading Arrangement [Text Block] Note 12 - Income Tax Related and Nonrelated Parties [Axis] Insider Trading Policies and Procedures Adopted [Flag] Insider Trading Policies and Procedures Adopted [Flag] Note 2 - Significant Accounting Policies - Liabilities Measured at Fair Value on Recurring Basis (Details) Note 5 - Supplemental Oil and Gas Information - Schedule of Oil and Gas (Details) Note 6 - Crypto Assets (Bitcoin) - Crypto Asset, Activity (Details) Note 6 - Crypto Assets (Bitcoin) - Crypto Asset, Holding (Details) us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims Common stock issued for services Note 12 - Income Tax - Schedule of Provision for Income tax (Details) us-gaap_DebtInstrumentPeriodicPaymentPrincipal Debt Instrument, Periodic Payment, Principal Note 12 - Income Tax - Schedule of Deferred Tax Assets (Details) Insider Trading Policies and Procedures [Line Items] Note 12 - Income Tax - Schedule of Effective Income Tax Rate Reconciliation (Details) us-gaap_SharePrice Share Price Settlement and Promissory Note Agreement [Member] Represents Settlement and Promissory Note Agreement. Notes To Financial Statements Notes To Financial Statements [Abstract] Schedule of Long-Term Debt Instruments [Table] us-gaap_IncreaseDecreaseInAccountsReceivable Accounts receivable Debt Instrument [Axis] Cash Flows from Operating Activities: Consulting – related party Represents the amount of related party consulting expenses. Cash Flows from Investing Activities: us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Cash Flows from Financing Activities: us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash used by investing activities us-gaap_SharesIssuedPricePerShare Shares Issued, Price Per Share us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash provided by financing activities Total Change in valuation allowance and other tax effects us-gaap_EffectiveIncomeTaxRateContinuingOperations Effective income tax rate Common Stock to be Issued [Member] Relating to common stock to be issued. Federal statutory income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent srt_ProvedDevelopedAndUndevelopedReservesNet Oil and Gas, Proved Reserve, Quantity, Volume (Million Barrels of Oil) Promissory Note [Member] Relating to promissory note. July 31, 2020 Unsecured Note [Member] Relating to the July 31, 2020 unsecured note. Accounting Policies [Abstract] Consulting Services [Member] Relating to consulting services. Accounts Receivable [Policy Text Block] Common stock to be issued Represents the monetary amount of common stock to be issued. Income Statement [Abstract] us-gaap_SharesOutstanding Balance (in shares) Balance (in shares) Conversion of Debt and Accrued Interest [Member] Relating to the conversion of debt and accrued interest. us-gaap_NumberOfOperatingSegments Number of Operating Segments Letter of Credit [Member] us-gaap_NumberOfReportableSegments Number of Reportable Segments Segment Reporting [Text Block] Income Tax Contingency [Table] Bitcoin (BTC), Quantity Crypto Asset, Number of Units Net loss Net Loss Net loss Preferred stock, $0.001 par value, 50,000,000 shares authorized; no shares issued Adjustments to reconcile net loss to net cash used in Operating activities: us-gaap_Liabilities TOTAL LIABILITIES us-gaap_LiabilitiesAndStockholdersEquity TOTAL LIABILITIES AND STOCKHOLDERS’ DEFICIT Cash and Cash Equivalent [Table] Segment Reporting [Table] us-gaap_DebtConversionOriginalDebtAmount1 Debt Conversion, Original Debt, Amount Common stock issued for debt settlement us-gaap_DebtConversionConvertedInstrumentAmount1 us-gaap_DebtConversionConvertedInstrumentSharesIssued1 Debt Conversion, Converted Instrument, Shares Issued Subsequent Event [Member] us-gaap_CostsAndExpenses Costs and Expenses us-gaap_UnsecuredDebt Unsecured Debt Income Tax Disclosure [Text Block] Oil and Gas, Property [Policy Text Block] Oil and Gas, Property and Equipment [Text Block] Changes in Operating Assets and Liabilities: Net operating loss carryover Accounts payable us-gaap_IncreaseDecreaseInAccountsPayable Preferred Stock, Shares Issued (in shares) Accounting Standards Update and Change in Accounting Principle [Table] Related party accruals Amount of tax (expense) benefit from continuing operations attributable to related party accruals. us-gaap_DeferredTaxAssetsNet Net deferred tax asset Reclassification [Table] Preferred Stock, Shares Authorized (in shares) Non-cash investing and financing activities: Preferred Stock, Par or Stated Value Per Share (in dollars per share) us-gaap_IncreaseDecreaseInAccruedLiabilities Accrued liabilities us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect Net change in cash Related and Nonrelated Parties [Domain] Related Party Transaction [Table] Related Party Transactions Disclosure [Text Block] New Accounting Pronouncements, Policy [Policy Text Block] us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations Cash at beginning of the period Cash at end of the period Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Statement [Table] Asset Retirement Obligation [Policy Text Block] Less: valuation allowance Credit Facility [Axis] Credit Facility [Domain] Fair Value Hierarchy and NAV [Domain] Measurement Frequency [Domain] Bitcoin (BTC), Cost Basis Prepaid for acquisition Prepaid Expense, Current Other expense: Statement of Financial Position [Abstract] us-gaap_DeferredTaxAssetsValuationAllowance Less: valuation allowance Crypto assets srt_FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows Future net cash flows (undiscounted) us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity Line of Credit Facility, Maximum Borrowing Capacity srt_FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows 10% annual discount Line of Credit Facility, Lender [Domain] Taxes srt_FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows Future cash inflows Repayment of note payable srt_FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts Future development costs Bitcoin (BTC), Fair Value Crypto Asset, Fair Value Balance, July 31, 2025 Balance, July 31, 2026 Lender Name [Axis] Unrealized loss from changes in fair value us-gaap_OtherAssets Total other assets Crypto Asset [Text Block] Long Term Liabilities: us-gaap_StockIssuedDuringPeriodValueIssuedForServices Common stock issued for services us-gaap_PaymentForAcquisitionCryptoAsset Purchase of Bitcoin us-gaap_StockIssuedDuringPeriodSharesIssuedForServices Common stock issued for services (in shares) Professional fees Fair Value, Recurring [Member] Line of Credit [Member] Purchases of Bitcoin us-gaap_RepaymentsOfDebt Repayments of Debt Crypto Asset, Activity [Table] dei_DocumentType Document Type Operating expenses: Document Information [Line Items] dei_DocumentAnnualReport Document Annual Report us-gaap_CryptoAssetUnrealizedLossNonoperating Crypto Asset, Unrealized Loss, Nonoperating Unrealized loss us-gaap_AccountsPayableCurrentAndNoncurrent Accounts Payable Document Information [Table] us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) dei_EntityInteractiveDataCurrent Entity Interactive Data Current Measurement Frequency [Axis] dei_DocumentTransitionReport Document Transition Report Statement [Line Items] dei_DocumentFinStmtErrorCorrectionFlag Document Financial Statement Error Correction [Flag] us-gaap_OperatingExpenses Total operating expenses Fair Value Hierarchy and NAV [Axis] Common Stock, Shares, Issued (in shares) Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Common Stock, Shares, Outstanding (in shares) Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Common Stock, Shares Authorized (in shares) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Weighted average number of common shares outstanding, basic and diluted (in shares) us-gaap_UnrealizedGainLossOnInvestments Unrealized loss us-gaap_DebtInstrumentTerm Debt Instrument, Term Net loss per share, basic and diluted (in dollars per share) us-gaap_StockIssued1 Common stock issued us-gaap_NotesPayable Notes Payable Oil and Gas, Supplemental Disclosure [Text Block] Common stock, $0.001 par value, 250,000,000 shares authorized; 120,029,425 and 107,238,932 shares issued and outstanding as of July 31, 2026 and 2025, respectively Fair Value of Financial Instruments, Policy [Policy Text Block] nmex_PolicyTable Proceeds from sale of common stock – related party Earnings Per Share, Policy [Policy Text Block] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] us-gaap_InterestPayableCurrentAndNoncurrent Interest Payable Accounts payable Officer compensation Common stock issued for oil and gas rights Stock Issued During Period, Value, Purchase of Assets us-gaap_PolicyTextBlockAbstract Accounting Policies us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements us-gaap_TableTextBlock Notes Tables us-gaap_LongTermLoansPayable Loan payable – related party dei_IcfrAuditorAttestationFlag ICFR Auditor Attestation Flag Document Fiscal Period Focus Document Fiscal Year Focus Oil and Gas, Standardized Measure, Discounted Future Net Cash Flow [Table] Amendment Flag Loan payable – related party Common stock issued for oil and gas rights (in shares) Stock Issued During Period, Shares, Purchase of Assets Oil and Gas, Capitalized Exploratory Well Cost [Policy Text Block] Impairment expense Impairment expense Impairment, Oil and Gas, Property with Unproved and Proved Reserves Subsequent Events [Text Block] Accrued liabilities dei_DocumentPeriodEndDate Document Period End Date Nonrelated Party [Member] Legal Entity [Axis] Related Party [Member] Significant Accounting Policies [Text Block] us-gaap_OilAndGasPropertySuccessfulEffortMethodNet Oil and Gas, Successful Efforts Method, Property and Equipment, after Accumulated Depreciation, Depletion, Amortization, and Impairment Proceeds from note payable – related party Proceeds from Notes Payable dei_EntityFileNumber Entity File Number dei_EntityTaxIdentificationNumber Entity Tax Identification Number Digital Assets [Policy Text Block] Disclosure of accounting policy for digital assets. Entity [Domain] Entity Central Index Key dei_EntityRegistrantName Entity Registrant Name dei_EntityWellKnownSeasonedIssuer Entity Well-known Seasoned Issuer dei_EntityCurrentReportingStatus Entity Current Reporting Status dei_EntityVoluntaryFilers Entity Voluntary Filers dei_EntityIncorporationStateCountryCode Entity Incorporation, State or Country Code nmex_CryptoAssetPurchaseUnits Crypto Asset, Purchase, Units Amount of increase in crypto asset units from purchase. Current Fiscal Year End Date dei_EntityPublicFloat Entity Public Float dei_EntityFilerCategory Entity Filer Category dei_EntityShellCompany Entity Shell Company dei_EntityEmergingGrowthCompany Entity Emerging Growth Company Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] dei_EntitySmallBusiness Entity Small Business us-gaap_OperatingIncomeLoss Loss from operations Common Stock Outstanding [Member] Relating to common stock outstanding. Cash Cash us-gaap_OperatingLossCarryforwards Operating Loss Carryforwards us-gaap_InterestExpense Interest expense dei_EntityAddressStateOrProvince Entity Address, State or Province Statement of Stockholders' Equity [Abstract] dei_EntityAddressCityOrTown Entity Address, City or Town Accumulated deficit Retained Earnings (Accumulated Deficit) dei_EntityAddressAddressLine1 Entity Address, Address Line One Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Statement of Cash Flows [Abstract] dei_CityAreaCode City Area Code Proceeds from loan payable Crypto Asset, Activity [Table Text Block] Crypto Asset, Holding [Table Text Block] Lost Creek Acquisitions, LLC [Member] Represents the Lost Creek Acquisitions, LLC purchase agreement. Common stock issued for prepaid of acquisition and services Value of stock issued in lieu of cash for prepaid acquisition and services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders. dei_LocalPhoneNumber Local Phone Number dei_EntityAddressPostalZipCode Entity Address, Postal Zip Code Common stock issued for prepaid of acquisition and services (in shares) Number of shares issued in lieu of cash for prepaid acquisition and services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. Oil and Gas, Standardized Measure, Discounted Future Net Cash Flow [Table Text Block] Stockholders’ Deficit: dei_Security12bTitle Title of 12(b) Security Equity Components [Axis] dei_TradingSymbol Trading Symbol nmex_WorkingCapitalDeficit Working Capital Deficit Represents the value of total current assets net of current liabilities as of the balance sheet date. us-gaap_DebtInstrumentConvertibleConversionPrice1 Debt Instrument, Convertible, Conversion Price (in dollars per share) Class of Stock [Axis] Equity Component [Domain] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Related Party Transaction [Domain] Fair Value, Inputs, Level 1 [Member] Equity [Text Block] dei_EntityCommonStockSharesOutstanding Entity Common Stock, Shares Outstanding (in shares) Additional Paid-in Capital [Member] R. A. Miller Energy, Inc. [Member] Represents the R.A. Miller Energy, Inc. memorandum. Retained Earnings [Member] Related Party Transaction [Axis] Chief Financial Officer [Member] Asset Acquisition [Domain] Director [Member] Asset Acquisition [Axis] us-gaap_PropertyPlantAndEquipmentFairValueDisclosure Property, Plant, and Equipment, Fair Value Disclosure us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid Oil and gas properties us-gaap_AssetAcquisitionConsiderationTransferred Asset Acquisition, Consideration Transferred us-gaap_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable Asset Acquisition, Consideration Transferred, Equity Interest Issued and Issuable Conversion Of Debt To Common Stock [Member] Represents the conversion of debt into common stock. nmex_AssetAcquisitionConsiderationTransferredCashPaidAndPayable Asset Acquisition, Consideration Transferred, Cash Paid And Payable The amount of cash paid and payable for the asset acquisition. Director compensation Subsequent Event Type [Domain] Subsequent Event [Table] Subsequent Event Type [Axis] us-gaap_CostOfRevenue Cost of revenue nmex_DebtInstrumentInterestRateDefaultPercentage Debt Instrument, Interest Rate, Default Percentage Interest rate in event of default. Common Stock, Par or Stated Value Per Share (in dollars per share) Basis of Accounting, Policy [Policy Text Block] us-gaap_OtherNonoperatingIncomeExpense Total other expense Oil and Gas, Cost Incurred, Property Acquisition, Exploration, and Development [Table] Robert Campbell [Member] Represents Robert Campbell. us-gaap_Assets TOTAL ASSETS Cash and Cash Equivalents, Policy [Policy Text Block] dei_AuditorFirmId Auditor Firm ID dei_AuditorName Auditor Name us-gaap_CashEquivalentsAtCarryingValue Cash Equivalents, at Carrying Value dei_AuditorLocation Auditor Location Substantial Doubt about Going Concern [Text Block] Cash paid during the period for: us-gaap_AccountsReceivableNet Accounts Receivable, after Allowance for Credit Loss Current Liabilities: Other nondeductible expenses us-gaap_LiabilitiesCurrent Total Current Liabilities Current Operations Revenue from Contract with Customer [Policy Text Block] us-gaap_AccountsReceivableNetCurrent Accounts receivable Consolidation, Policy [Policy Text Block] Victor Miranda [Member] In relation to Victor Miranda. Interest us-gaap_AccountsPayableAndAccruedLiabilitiesNoncurrent Other payables nmex_DebtConversionOriginalDebtInterest Debt Conversion, Original Debt, Interest Amount of interest of original debt as part of debt conversion. Secured Promissory Note [Member] Represents secured promissory note. nmex_AssetsAcquisitionRelatedExpenses Assets Acquisition, Related Expenses Amount of related expense of asset acquisition. General and administrative expenses us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest Loss before provision for income taxes Gain on extinguishment of debt Bitcoin Fair value of bitcoin liabilities Additional paid-in-capital us-gaap_StockholdersEquity Total Stockholders’ Deficit Balance Balance Debt Disclosure [Text Block] Segment Reporting, Policy [Policy Text Block] Debt Conversion, Name [Domain] Debt Conversion Description [Axis] Use of Estimates, Policy [Policy Text Block] Related Party Notes Payable Disclosure [Text Block] In relation to notes payable from a related party. Common stock issued Stock Issued During Period, Value, New Issues us-gaap_PaymentsToAcquireProductiveAssets Purchase of oil and gas rights Payments to Acquire Productive Assets Stock, Class of Stock [Table] Award Timing Disclosures [Line Items] Common stock issued for debt Common stock issued for debt settlement us-gaap_DebtInstrumentFaceAmount Debt Instrument, Face Amount Current Assets: Award Timing, How MNPI Considered [Text Block] us-gaap_AssetsCurrent Total Current Assets ecd_MnpiDiscTimedForCompValFlag MNPI Disclosure Timed for Compensation Value [Flag] nmex_OilAndGasStandardizedMeasureDiscountedFutureNetCashFlowLeaseOperatingExpense Future LOE Amount of estimated future accumulated cash outflow for costs to be incurred from the operating lease for the oil and gas reserves. ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] Revenue us-gaap_GrossProfit Gross margin ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag] Commitments and Contingencies Common stock issued (in shares) Stock Issued During Period, Shares, New Issues Credit Loss, Financial Instrument [Policy Text Block] srt_StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves Oil and Gas, Standardized Measure, Discounted Future Net Cash Flow, Future Net Cash Flow, after Discount