Document And Entity Information Golden Sands Exploration, Inc [Member] Represents Golden Sands Exploration Inc. Fair Value of Financial Instruments, Policy [Policy Text Block] Note To Financial Statement Details Textual Director compensation Significant Accounting Policies Officer compensation Note 2 - Significant Accounting Policies Note 5 - Supplemental Oil and Gas Information Note 2 - Significant Accounting Policies - Liabilities Measured at Fair Value on Recurring Basis (Details) Segment Reporting, Policy [Policy Text Block] nmex_BitcoinCarryingValueNumberOfUnits Bitcoin, Carrying Value, Number of Units The number of bitcoin units at carrying value. Note 5 - Supplemental Oil and Gas Information - Schedule of Oil and Gas (Details) Notes To Financial Statements Notes To Financial Statements [Abstract] Common stock issued for services – related party Common stock issued for services Other asset us-gaap_LiabilitiesCurrent Total Current Liabilities Settlement and Promissory Note Agreement [Member] Represents Settlement and Promissory Note Agreement. Earnings Per Share, Policy [Policy Text Block] Operating expenses: Consulting – related party Represents the amount of related party consulting expenses. Common Stock to be Issued [Member] Relating to common stock to be issued. us-gaap_PropertyPlantAndEquipmentFairValueDisclosure Property, Plant, and Equipment, Fair Value Disclosure Total Winnemucca Mountain Property [Member] Relating to Winnemucca Mountain Property. Promissory Note [Member] Relating to promissory note. us-gaap_SharesIssuedPricePerShare Shares Issued, Price Per Share us-gaap_AssetsCurrent Total Current Assets New Option Agreement [Member] Relating to new options agreement. Equity [Text Block] Consulting Services [Member] Relating to consulting services. Common stock to be issued Represents the monetary amount of common stock to be issued. Common stock, $0.001 par value, 250,000,000 shares authorized; 111,488,932 and 107,238,932 shares issued and outstanding as of January 31, 2026 and July 31, 2025, respectively Fair Value, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Measurement Frequency [Domain] Fair Value, Recurring [Member] Common Stock, Shares Authorized (in shares) us-gaap_CryptoAssetCost Crypto Asset, Cost Common Stock, Shares, Issued (in shares) Common Stock, Par or Stated Value Per Share (in dollars per share) us-gaap_CryptoAssetFairValue Crypto Asset, Fair Value Revenue from Contract with Customer [Policy Text Block] Accrued liabilities Accounts payable Asset Retirement Obligation [Policy Text Block] Credit Facility [Axis] Preferred stock, $0.001 par value, 50,000,000 shares authorized; no shares issued Credit Facility [Domain] Preferred Stock, Shares Issued (in shares) Interest us-gaap_PolicyTextBlockAbstract Accounting Policies nmex_PolicyTable Preferred Stock, Shares Authorized (in shares) Preferred Stock, Par or Stated Value Per Share (in dollars per share) Revenue Fair Value, Inputs, Level 3 [Member] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Taxes Crypto Asset, Cumulative Realized Gain (Loss) from Disposition [Table] Fair Value Hierarchy and NAV [Axis] Current Liabilities: Crypto Asset [Text Block] us-gaap_Assets TOTAL ASSETS Cash paid during the period for: Plan Name [Axis] us-gaap_CryptoAssetUnrealizedLossNonoperating Crypto Asset, Unrealized Loss, Nonoperating Unrealized loss Plan Name [Domain] Cash Flows from Operating Activities: Statement [Line Items] us-gaap_AccountsReceivableNetCurrent Accounts receivable us-gaap_NumberOfOperatingSegments Number of Operating Segments Additional paid-in-capital Stockholders’ Deficit: us-gaap_OtherNonoperatingIncomeExpense Total other expense Property, Plant and Equipment [Table] us-gaap_OtherAssets Total other assets Chief Financial Officer [Member] Chief Executive Officer [Member] Current Assets: Platform Operator, Crypto Asset [Policy Text Block] Net loss Net Loss Net loss us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations Cash at beginning of the period Cash at end of the period us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect Net change in cash us-gaap_Liabilities TOTAL LIABILITIES us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash provided by financing activities Commitments and Contingencies Director [Member] us-gaap_OperatingIncomeLoss Loss from operations Other expense: us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash used by investing activities us-gaap_CostOfRevenue Cost of revenue us-gaap_GrossProfit Gross margin Oil and gas properties us-gaap_InterestPayableCurrentAndNoncurrent Interest Payable us-gaap_AccountsPayableCurrentAndNoncurrent Accounts Payable Nonrelated Party [Member] srt_FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows Future net cash flows (undiscounted) us-gaap_CostsAndExpenses Costs and Expenses srt_FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows Future cash inflows srt_FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts Future development costs Cash Flows from Investing Activities: srt_StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves Standardized measure of discounted future net cash flows Retained Earnings [Member] Proceeds from sale of common stock – related party Related Party Transaction [Table] Letter of Credit [Member] Additional Paid-in Capital [Member] Oil and Gas, Property and Equipment [Text Block] srt_FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows 10% annual discount Related Party Transactions Disclosure [Text Block] Provision for income taxes us-gaap_IncreaseDecreaseInAccruedLiabilities Accrued liabilities Line of Credit [Member] Oil and Gas, Standardized Measure, Discounted Future Net Cash Flow [Table Text Block] Equity Components [Axis] Equity Component [Domain] Oil and Gas, Standardized Measure, Discounted Future Net Cash Flow [Table] Stock, Class of Stock [Table] Loans payable - current Accounts payable us-gaap_IncreaseDecreaseInAccountsPayable us-gaap_NotesPayable Notes Payable us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest Loss before provision for income taxes srt_ProvedDevelopedAndUndevelopedReservesNet Oil and Gas, Proved Reserve, Quantity, Volume (Million Barrels of Oil) us-gaap_OperatingExpenses Total operating expenses us-gaap_DebtInstrumentTerm Debt Instrument, Term General and administrative expenses us-gaap_UnsecuredDebt Unsecured Debt Cash us-gaap_CashEquivalentsAtCarryingValue Cash Equivalents, at Carrying Value Common Stock Outstanding [Member] Relating to common stock outstanding. Accounts Receivable [Policy Text Block] Cash and Cash Equivalents, Policy [Policy Text Block] dei_DocumentQuarterlyReport Document Quarterly Report dei_EntityIncorporationStateCountryCode Entity Incorporation, State or Country Code Amendment Flag Accounting Policies [Abstract] Significant Accounting Policies [Text Block] dei_DocumentTransitionReport Document Transition Report dei_CityAreaCode City Area Code Basis of Accounting, Policy [Policy Text Block] Use of Estimates, Policy [Policy Text Block] New Accounting Pronouncements, Policy [Policy Text Block] dei_EntityInteractiveDataCurrent Entity Interactive Data Current Related Party [Member] Lost Creek Acquisitions, LLC [Member] Represents the Lost Creek Acquisitions, LLC purchase agreement. us-gaap_SharesOutstanding Balance (in shares) Balance (in shares) Common Stock, Shares, Outstanding (in shares) dei_Security12bTitle Title of 12(b) Security Oil and Gas, Supplemental Disclosure [Text Block] Current Fiscal Year End Date us-gaap_DebtInstrumentInterestRateStatedPercentage Debt Instrument, Interest Rate, Stated Percentage Document Fiscal Period Focus Document Fiscal Year Focus Consolidation, Policy [Policy Text Block] dei_DocumentPeriodEndDate Document Period End Date dei_EntityFileNumber Entity File Number Collaborative Arrangement and Arrangement Other than Collaborative [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] dei_EntityEmergingGrowthCompany Entity Emerging Growth Company dei_DocumentType Document Type dei_EntitySmallBusiness Entity Small Business dei_EntityShellCompany Entity Shell Company Document Information [Line Items] Document Information [Table] dei_EntityFilerCategory Entity Filer Category Debt Instrument [Axis] dei_EntityCurrentReportingStatus Entity Current Reporting Status Debt Instrument, Name [Domain] nmex_AssetAcquisitionConsiderationTransferredCashPaidAndPayable Asset Acquisition, Consideration Transferred, Cash Paid And Payable The amount of cash paid and payable for the asset acquisition. us-gaap_AccountsReceivableNet Accounts Receivable, after Allowance for Credit Loss us-gaap_SharePrice Share Price us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) Proceeds from note payable – related party us-gaap_IncreaseDecreaseInAccountsReceivable Accounts receivable us-gaap_ImpairmentOfOilAndGasProperties Impairment, Oil and Gas, Property with Unproved and Proved Reserves dei_EntityTaxIdentificationNumber Entity Tax Identification Number Entity Central Index Key dei_EntityRegistrantName Entity Registrant Name Entity [Domain] Legal Entity [Axis] Statement [Table] dei_EntityAddressAddressLine1 Entity Address, Address Line One Statement of Financial Position [Abstract] Weighted average number of common shares outstanding, basic and diluted (in shares) ecd_NonRule10b51ArrTrmntdFlag Non-Rule 10b5-1 Arrangement Terminated [Flag] dei_EntityAddressCityOrTown Entity Address, City or Town ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag] dei_EntityAddressPostalZipCode Entity Address, Postal Zip Code Net loss per share, basic and diluted (in dollars per share) Business Combination [Axis] dei_EntityAddressStateOrProvince Entity Address, State or Province Credit Loss, Financial Instrument [Policy Text Block] Business Combination [Domain] ecd_NonRule10b51ArrAdoptedFlag Non-Rule 10b5-1 Arrangement Adopted [Flag] Material Terms of Trading Arrangement [Text Block] Statement of Cash Flows [Abstract] dei_EntityCommonStockSharesOutstanding Entity Common Stock, Shares Outstanding (in shares) Trading Arrangements, by Individual [Table] Statement of Stockholders' Equity [Abstract] Income Statement [Abstract] us-gaap_StockIssuedDuringPeriodValuePurchaseOfAssets Common stock issued for oil and gas rights us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets Common stock issued for oil and gas rights (in shares) Professional fees dei_TradingSymbol Trading Symbol Nature of Operation, Product Information, Concentration of Risk [Table] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] us-gaap_PaymentForAcquisitionCryptoAsset Purchase of Bitcoin dei_LocalPhoneNumber Local Phone Number us-gaap_TableTextBlock Notes Tables us-gaap_OtherCommitment Other Commitment Accounting Standards Update and Change in Accounting Principle [Table] us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity Line of Credit Facility, Maximum Borrowing Capacity Asset Acquisition [Axis] us-gaap_AssetAcquisitionConsiderationTransferred Asset Acquisition, Consideration Transferred Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Domain] Victor Miranda [Member] In relation to Victor Miranda. Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] Cash Flows from Financing Activities: Line of Credit Facility, Lender [Domain] Asset Acquisition [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] us-gaap_StockIssuedDuringPeriodSharesNewIssues Common stock issued for cash – related party (in shares) us-gaap_StockIssuedDuringPeriodValueIssuedForServices Common stock issued for services – related party us-gaap_StockIssuedDuringPeriodSharesIssuedForServices Common stock issued for services – related party (in shares) Line of Credit Facility [Table] Lender Name [Axis] us-gaap_LiabilitiesAndStockholdersEquity TOTAL LIABILITIES AND STOCKHOLDERS’ DEFICIT us-gaap_StockIssuedDuringPeriodValueNewIssues Common stock issued for cash – related party Related Party Transaction [Axis] Related Party Transaction [Domain] nmex_BitcoinPurchased Bitcoin Purchased Quantity of bitcoin purchased for the creation of shares. Accumulated deficit Retained Earnings (Accumulated Deficit) Bitcoin Fair value of bitcoin liabilities Debt Disclosure [Text Block] us-gaap_InterestExpense Interest expense us-gaap_AccountsPayableAndAccruedLiabilitiesNoncurrent Other payables Adjustments to reconcile net loss to net cash used in Operating activities: us-gaap_StockholdersEquity Total Stockholders’ Deficit Balance Balance us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements Substantial Doubt about Going Concern [Text Block] Related Party Notes Payable Disclosure [Text Block] In relation to notes payable from a related party. Subsequent Event [Member] Class of Stock [Axis] nmex_BitcoinPurchaseFees Bitcoin, Purchase Fees The amount of fees incurred during the purchase of bitcoin. Subsequent Event [Table] us-gaap_LongTermLoansPayable Loan payable – long term Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Events [Text Block] Oil and Gas, Capitalized Exploratory Well Cost [Policy Text Block] 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. Oil and Gas Properties Policy [Policy Text Block] us-gaap_UnrealizedGainLossOnInvestments Unrealized loss