Document And Entity Information us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo 2027 Ladenburg Thalmann and Co. Inc. [Member] Represents Ladenburg Thalmann & Co. Inc. Note To Financial Statement Details Textual us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree 2028 Note 4 - Discontinued Operations us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour 2029 2026 Note 6 - Revenue From Contracts With Customers 2027 Note 7 - Balance Sheet Note 8 - Leases Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Note 9 - Intangible Assets us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths 2026 Note 4 - Discontinued Operations - Held for Sale and Discontinued Operations (Details) Note 6 - Revenue From Contracts With Customers - Disaggregation of Revenue (Details) The Loan [Member] Represents Loan and Security Agreement. Note 6 - Revenue From Contracts With Customers - Contract Assets and Liabilities (Details) Note 7 - Balance Sheet - Schedule of Inventories (Details) Income Tax Disclosure [Text Block] Note 7 - Balance Sheet - Schedule of Property, Plant and Equipment (Details) Note 8 - Leases - Supplemental Balance Sheet Information (Details) Note 8 - Leases - Supplemental Cash Flow Information (Details) Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] us-gaap_ShareBasedCompensation Stock-based compensation Note 8 - Leases - Maturities of Lease Liabilities (Details) us-gaap_LiabilitiesCurrent Total current liabilities 2025 Note 9 - Intangible Assets - Schedule of Goodwill and Other Intangible Assets (Details) Note 9 - Intangible Assets - Future Estimated Amortization Expense (Details) Notes To Financial Statements Weighted average life (Year) Notes To Financial Statements [Abstract] us-gaap_DepreciationAmortizationAndAccretionNet Depreciation and amortization Operating expenses: us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax Comprehensive income (loss) us-gaap_StockholdersEquityNoteStockSplitConversionRatio1 Stockholders' Equity Note, Stock Split, Conversion Ratio Depreciation and amortization Depreciation and amortization us-gaap_DepreciationAndAmortizationDiscontinuedOperations us-gaap_AssetsCurrent Total current assets Common stock, $0.01 par value; 40,000 shares authorized; 1,406 shares issued at April 30, 2024 and January 31, 2024 Adjustments to reconcile net income (loss) to net cash used in operating activities: Common stock, authorized (in shares) Accrued expenses and other current liabilities Amount of expenses incurred but not yet paid nor invoiced, and current liabilities classified as other. Common stock, issued (in shares) Common Stock, Shares, Issued (in shares) Deferred revenue Common stock, par value (in dollars per share) Goodwill and Intangible Assets Disclosure [Text Block] Asia Pacific [Member] Intangibles Excluding Technology Development Projects Not Yet Completed [Member] Represents intangibles excluding technology development projects not yet completed. Income taxes payable Statistical Measurement [Domain] us-gaap_OperatingLeasePayments Operating cash flows from operating leases Maximum [Member] Minimum [Member] Lessee, Operating Leases [Text Block] Accounts payable Weighted Average [Member] Product and Service [Axis] Product and Service [Domain] Statistical Measurement [Axis] us-gaap_PreferredStockLiquidationPreferenceValue Preferred Stock, Liquidation Preference, Value Sale of other equipment us-gaap_PreferredStockLiquidationPreference Preferred Stock, Liquidation Preference Per Share (in dollars per share) Preferred stock, $1.00 par value; 2,000 shares authorized; 1,683 shares issued and outstanding at each of April 30, 2024 and January 31, 2024 Unbilled revenue - current us-gaap_PrepaidInterest Prepaid Interest Preferred stock, shares issued (in shares) Interest paid us-gaap_PolicyTextBlockAbstract Accounting Policies mind_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopmentExpense Research and development Amount of research and development expense attributable to disposal group, including, but not limited to, discontinued operation. Geographical [Axis] Property, Plant and Equipment [Table Text Block] Geographical [Domain] Preferred stock, shares authorized (in shares) Europe [Member] Trade Names [Member] Inventories, net Total inventories, net Preferred stock, par value (in dollars per share) Other Intangible Assets [Member] Work in progress us-gaap_InventoryValuationReserves Less allowance for obsolescence us-gaap_PaymentsToAcquirePropertyPlantAndEquipment Purchases of property and equipment Finished goods us-gaap_InventoryGross Cost of inventories Reverse Stock Split [Member] The ratio of shares representing a stock transaction before the stock split conversion. Shares used in computing net income (loss) per common share: Income taxes paid Advisory Services Related to Sale of Klein [Member] Represents advisory services related to sale of Klein. us-gaap_PreferredStockAmountOfPreferredDividendsInArrears Preferred Stock, Amount of Preferred Dividends in Arrears Current liabilities: Supplemental Balance Sheet Disclosures [Text Block] Raw materials us-gaap_Assets Total assets Supplemental cash flow information: Patents [Member] Shareholders' Equity and Share-Based Payments [Text Block] Cash flows from operating activities: us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic Net income (loss) attributable to common stockholders Customer Relationships [Member] Statement [Line Items] Allowance for credit losses us-gaap_NumberOfOperatingSegments Number of Operating Segments Accounts receivable, net of allowance for credit losses of $332 at each of April 30, 2024 and January 31, 2024 Furniture and Fixtures [Member] Deferred tax asset Revenues: Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Additional paid-in capital AOCI Attributable to Parent [Member] Stockholders’ equity: Land and Building [Member] us-gaap_ContractWithCustomerAssetNet Total unbilled revenue Other, net us-gaap_NonoperatingIncomeExpense Total other income (expense) Long-Lived Tangible Asset [Axis] Segment Reporting Disclosure [Text Block] Long-Lived Tangible Asset [Domain] Current assets: Loss from discontinued operations, net of income taxes Net loss from discontinued operations Net income (loss) Net income (loss) us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization Amortizable intangible assets, accumulated amortization Intangible assets, net Total us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Effect of changes in foreign exchange rates on cash and cash equivalents us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect Net change in cash and cash equivalents Amortizable intangible assets, gross carrying amount us-gaap_Liabilities Total liabilities us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash provided by financing activities us-gaap_OperatingIncomeLoss Operating income Other income (expense): us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash used in operating activities Prepaid expenses and other current assets us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash provided by investing activities us-gaap_GrossProfit Gross profit Provision for inventory obsolescence us-gaap_ContractWithCustomerLiability Total deferred revenue & customer deposits us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment Accumulated depreciation and amortization Property and equipment, net Total property and equipment, net us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings Deferred Tax Liabilities, Undistributed Foreign Earnings Property and equipment, gross Klein Marine Services, Inc. [Member] Represents Klein Marine Services, Inc. Sale of Subsidiaries and Subsequent Events [Text Block] The entire disclosure related to sale of subsidiaries and subsequent events. Disposal Group Classification [Axis] Disposal Group Classification [Domain] Cost of sales: us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax Loss before income taxes from discontinued operations us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation Provision for income taxes from discontinued operations Cash flows from investing activities: Income taxes receivable and payable us-gaap_LoanProcessingFee Loan Processing Fee Retained Earnings [Member] Earnings Per Share [Text Block] Sales of marine technology products, revenues Total revenue from contracts with customers us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest Net income (loss) from continuing operations us-gaap_RelatedPartyTransactionAmountsOfTransaction Related Party Transaction, Amounts of Transaction Additional Paid-in Capital [Member] Common Stock [Member] Related Party Transactions Disclosure [Text Block] Preferred Stock [Member] us-gaap_IncomeTaxExpenseBenefit Income Tax Expense (Benefit) Provision for income taxes Equity Components [Axis] Equity Component [Domain] us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income from continuing operations before income taxes us-gaap_OperatingExpenses Total operating expenses Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Timing of Transfer of Good or Service [Domain] Accounts payable, accrued expenses and other current liabilities Transferred at Point in Time [Member] Vehicles [Member] Transferred over Time [Member] Disaggregation of Revenue [Table Text Block] us-gaap_AllocatedShareBasedCompensationExpense Share-Based Payment Arrangement, Expense Timing of Transfer of Good or Service [Axis] Other Machinery and Equipment [Member] Revenue from Contract with Customer [Text Block] Treasury Stock, Common and Preferred [Member] Previously issued common and preferred shares repurchased by the issuing entity and held in treasury. Document Quarterly Report Amendment Flag Entity Incorporation, State or Country Code us-gaap_UnrecognizedTaxBenefits Unrecognized Tax Benefits Accounting Policies [Abstract] Document Transition Report City Area Code us-gaap_GainLossOnSaleOfBusiness Gain (Loss) on Disposition of Business Seamap Marine Products [Member] Represnets Seamap Marine Products. Entity Interactive Data Current us-gaap_GainLossOnSaleOfPropertyPlantEquipment Gross profit from sale of equipment Deferred revenue and customer deposits us-gaap_SharesOutstanding Balances (in shares) Balances (in shares) Security Exchange Name us-gaap_CommonStockSharesOutstanding Common Stock, Shares, Outstanding (in shares) Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding, Ending Balance (in shares) Title of 12(b) Security Current Fiscal Year End Date us-gaap_LeaseCost Lease, Cost us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets Prepaid expenses and other current and long-term assets Basis of Accounting [Text Block] Weighted average discount rate, Operating leases Document Fiscal Period Focus Document Fiscal Year Focus us-gaap_ShortTermLeaseCost Short-Term Lease, Cost Lease, Cost [Table Text Block] Document Period End Date Right-of-use assets obtained in exchange for lease liabilities, Operating leases Weighted average remaining lease term, Operating leases (Year) Entity File Number Nonmonetary Transaction Type [Domain] Discontinued Operations, Disposed of by Sale [Member] us-gaap_DebtInstrumentFeeAmount Debt Instrument, Fee Amount Entity Emerging Growth Company Document Type Entity Small Business Entity Shell Company Nonmonetary Transaction Type [Axis] Document Information [Line Items] Document Information [Table] Entity Filer Category Debt Instrument [Axis] Entity Current Reporting Status Debt Instrument, Name [Domain] Segments [Axis] Segments [Domain] us-gaap_IncreaseDecreaseInReceivables Accounts receivable us-gaap_ImpairmentOfLongLivedAssetsHeldForUse Impairment, Long-Lived Asset, Held-for-Use us-gaap_ProceedsFromNotesPayable Proceeds from Notes Payable Stock-based compensation Net proceeds from short-term loan Statement of Comprehensive Income [Abstract] Entity Tax Identification Number Entity Central Index Key Entity Registrant Name Entity [Domain] Legal Entity [Axis] Statement [Table] Entity Address, Address Line One Statement of Financial Position [Abstract] Basic and diluted (in shares) Weighted Average Number of Shares Outstanding, Basic (in shares) us-gaap_AmortizationOfIntangibleAssets Amortization of Intangible Assets ecd_NonRule10b51ArrTrmntdFlag Non-Rule 10b5-1 Arrangement Terminated [Flag] Net income (loss) per common share - Basic and Diluted Entity Address, City or Town ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] Sales of marine technology products, costs ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag] Entity Address, Postal Zip Code Discontinued operations (in dollars per share) us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense Total operating expenses us-gaap_EarningsPerShareBasic Net income (loss) (in dollars per share) Depreciation and amortization us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization Entity Address, State or Province ecd_NonRule10b51ArrAdoptedFlag Non-Rule 10b5-1 Arrangement Adopted [Flag] Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense Selling, general and administrative Material Terms of Trading Arrangement [Text Block] Continuing operations (in dollars per share) us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss Operating loss Revenue from discontinued operations Statement of Cash Flows [Abstract] Cost of discontinued operations Entity Common Stock, Shares Outstanding Statement of Stockholders' Equity [Abstract] us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration Disposal Group, Including Discontinued Operation, Consideration Income Statement [Abstract] Disposal Groups, Including Discontinued Operations [Table Text Block] Disposal Group Name [Axis] Disposal Group Name [Domain] Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Long-Term Debt [Text Block] us-gaap_IncreaseDecreaseInInventories Inventories Trading Symbol Other Countries [Member] Represents other countries. Nature of Operations [Text Block] Local Phone Number us-gaap_TableTextBlock Notes Tables Schedule of Intangible Assets and Goodwill [Table Text Block] Accounting Standards Update and Change in Accounting Principle [Text Block] Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Domain] Selling, general and administrative Cash flows from financing activities: mind_DisposalGroupIncludingDiscontinuedOperationNonoperatingIncomeExpenses Other income Amount of nonoperating income (loss) attributable to disposal group, including, but not limited to, discontinued operation. us-gaap_DividendsPayableAmountPerShare Dividends Payable, Amount Per Share (in dollars per share) us-gaap_LiabilitiesAndStockholdersEquity Total liabilities and stockholders’ equity UNITED STATES Related Party Transaction [Axis] Related Party Transaction [Domain] Dividends [Axis] Dividends [Domain] us-gaap_IncreaseDecreaseInContractWithCustomerAsset Unbilled revenue Accumulated deficit Marine Technology Products [Member] Represents marine technology products. Research and development Accumulated other comprehensive gain Series A Preferred Stock [Member] mind_WorkingCapitalDeficit Working Capital (Deficit) Represents the value of total current assets net of current liabilities as of the balance sheet date. us-gaap_InterestExpense Interest expense us-gaap_InterestExpenseDebt Interest Expense, Debt Changes in: us-gaap_StockholdersEquity Total stockholders’ equity Balances Balances us-gaap_AmortizationOfFinancingCosts Amortization of Debt Issuance Costs mind_ContractWithCustomersTurnOverPeriod Contract with Customers, Turn Over Period (Month) Th e period of turn over for contract with customers. Assets and Liabilities, Lessee [Table Text Block] Tabular disclosure of lessee's assets and liabilities. us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements Thereafter Amount of lessee's undiscounted obligation for lease payment for operating lease due after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Klein [Member] Represents Klein. Operating lease liabilities - non-current Non-current liabilities Class of Stock [Axis] Schedule of Inventory, Current [Table Text Block] Class of Stock [Domain] Deferred revenue & customer deposits - current The amount of contract with customer liability and customer deposits, classified as current. mind_PreferredStockDividendsUndeclared Preferred stock dividends - undeclared The amount of preferred stock dividends that is undeclared. Total lease liabilities Operating lease liabilities Total Operating lease liabilities Quarterly Dividends [Member] Quarterly Dividends. Operating lease liabilities - current Current liabilities Proprietary Rights [Member] Represents proprietary rights. mind_FinitelivedIntangibleAssetExpectedAmortizationAfterYearFour Thereafter Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Operating lease right-of-use assets Operating lease assets us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue Total payments under lease agreements us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount Less: imputed interest mind_PreferredStockDividendsDeclared Preferred stock dividends - declared The amount of preferred stock dividends declared that is an adjustment to net income apportioned to common stockholders. 2028 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear 2025 2029