Document And Entity Information
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount
Statistical Measurement [Axis]
Note To Financial Statement Details Textual
Significant Accounting Policies
us-gaap_IncomeTaxExpenseBenefit
Income Tax Expense (Benefit)
Provision for income taxes (tax benefits)
Provision for income tax expense (benefit)
Note A - The Company and Summary of Significant Accounting Policies
ecd_NonRule10b51ArrTrmntdFlag
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Note B - Revenue From Contracts With Customers
ecd_NonRule10b51ArrAdoptedFlag
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Note E - Inventory
Trading Arrangements, by Individual [Table]
Note F - Equipment and Leasehold Improvements
Material Terms of Trading Arrangement [Text Block]
Retirement Benefits [Text Block]
Note G - Intangible Assets And Goodwill
ecd_InsiderTrdPoliciesProcAdoptedFlag
Insider Trading Policies and Procedures Adopted [Flag]
Revenue from Contract with Customer Benchmark [Member]
Note I - Accrued Liabilities
Note K - Leases
Note M - Equity
Note N - Stock Options
Minimum [Member]
Note O - Income Taxes
Note Q - Earnings Per Share (EPS)
Loss on foreign currency transactions
Loss on foreign currency
Insider Trading Policies and Procedures [Line Items]
Statistical Measurement [Domain]
Investment
Note A - The Company and Summary of Significant Accounting Policies - Summary of Accounts Receivable (Details)
Maximum [Member]
us-gaap_SharePrice
Share Price (in dollars per share)
Note A - The Company and Summary of Significant Accounting Policies - Estimated Useful Lives for Depreciation and Amortization (Details)
Note A - The Company and Summary of Significant Accounting Policies - Share-based Compensation Expenses for Continuing Operations (Details)
Net pre-tax book loss, foreign
Note B - Revenue From Contracts With Customers - Disaggregation of Revenue (Details)
bkyi_OperatingLossCarryforwardsNotSubjectToExpiration
Operating Loss Carryforwards, Not Subject to Expiration
Amount of operating loss carryforward not subject to expiration, before tax effects, available to reduce future taxable income under enacted tax laws.
Note E - Inventory - Components of Inventory (Details)
Note F - Equipment and Leasehold Improvements - Summary of Equipment and Leasehold Improvements (Details)
us-gaap_IncreaseDecreaseInAccountsReceivable
Accounts receivable
Net pre-tax book loss, Federal
Note G - Intangible Assets - Summary of Intangible Assets (Details)
Note G - Intangible Assets and Goodwill - Amortization Expense (Details)
Note I - Accrued Liabilities - Summary of Accrued Liabilities (Details)
Note K - Leases - Operating Lease Balance Sheet Information (Details)
Note M - Equity - Valuation Assumptions for Warrants (Details)
Note M - Equity - Summary of Warrant Activity (Details)
Business Description and Accounting Policies [Text Block]
Note N - Stock Options - Option Activity (Details)
Note N - Stock Options - Options Outstanding and Exercisable (Details)
Note O - Income Taxes - Components of Net Loss (Details)
Note O - Income Taxes - Provision for Income Tax Benefits (Details)
Note O - Income Taxes - Components of Deferred Taxes (Details)
us-gaap_CapitalizedContractCostAmortizationPeriod
Capitalized Contract Cost, Amortization Period (Year)
Note O - Income Taxes - Reconciliation of the Effective Income Tax Rate to US Federal Statutory Income Tax Rate (Details)
us-gaap_IncreaseDecreaseInDepositOtherAssets
Deposits
Note Q - Earnings Per Share (EPS) - Securities Excluded From the Diluted Per Share Calculation (Details)
Notes To Financial Statements
Notes To Financial Statements [Abstract]
Rate change
Valuation allowance, percent
us-gaap_EffectiveIncomeTaxRateContinuingOperations
Effective tax rate, percent
Federal statutory income tax rate, percent
Forfeited, weighted average exercise price (in dollars per share)
Foreign rate differential - all, percent
Expired, weighted average exercise price (in dollars per share)
Granted, weighted average exercise price (in dollars per share)
Exercised, weighted average exercise price (in dollars per share)
Income Tax Jurisdiction [Domain]
Amortization of intangible assets, percent
Others, percent
Leasehold Improvements [Member]
State taxes, net of federal benefit, percent
us-gaap_IncreaseDecreaseInInventories
Inventory
Exercise of warrants
Amount of stock issued during the period due to warrants exercised.
Restricted Stock units, percent
Exercise of warrants (in shares)
Number of shares issued during the period due to warrants exercised.
Other
us-gaap_SharesOutstanding
Balance (in shares)
Balance (in shares)
Segment Reporting [Text Block]
us-gaap_IncreaseDecreaseInOtherReceivables
Due from factor
The 2024 Note [Member]
Information pertaining to The 2024 Note.
us-gaap_IncreaseDecreaseInOtherAccruedLiabilities
Increase (Decrease) in Other Accrued Liabilities
Award Type [Axis]
Adjustments to reconcile net loss to cash used for operating activities:
Plan Name [Axis]
us-gaap_Liabilities
TOTAL LIABILITIES
Plan Name [Domain]
Defined Benefit Plan [Table]
LIABILITIES
us-gaap_WarrantsAndRightsOutstandingTerm
Warrants and Rights Outstanding, Term (Year)
Share-based compensation expense
Share-Based Payment Arrangement, Expense
us-gaap_LiabilitiesAndStockholdersEquity
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY
Conversion of Partitioned Notes to Common Stock [Member]
Related to conversion of partitioned notes to common stock.
Title and Position [Axis]
Segment Reporting [Table]
us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Prepaid expenses and other
Condensed Balance Sheet Statement [Table]
bkyi_ConcentrationRiskNumberOfMajorCustomers
Concentration Risk, Number of Major Customers
Represents the number of external customers that accounts for 10 percent or more of an entity's revenues or accounts receivable.
Selling, general and administrative
us-gaap_SellingGeneralAndAdministrativeExpense
Subsequent Event [Member]
Reverse Stock Split [Member]
The conversion of a reverse stock split where there is a reduction in the shares outstanding.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized (in shares)
Lessee, Lease, Description [Table]
Share-Based Payment Arrangement [Text Block]
Approximation [Member]
Related to approximation.
Africa [Member]
Lease Contractual Term [Axis]
Lease Contractual Term [Domain]
Change in operating assets and liabilities:
North America [Member]
us-gaap_IncreaseDecreaseInAccountsPayable
Accounts payable
Expiration of net operating loss and research credit carryforwards
mount of expiration of net operating loss and research credit carryforwards.
Asia [Member]
us-gaap_PreferredStockSharesAuthorized
Preferred Stock, Shares Authorized (in shares)
Licensing Agreements [Member]
us-gaap_PreferredStockParOrStatedValuePerShare
Preferred Stock, Par or Stated Value Per Share (in dollars per share)
us-gaap_IncreaseDecreaseInAccruedLiabilities
Accrued liabilities
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS
Portuguese Tax and Customs Authority [Member]
Represents Portuguese Tax and Customs Authority.
Nigeria Revenue Service [Member]
Represents Nigeria Revenue Service.
Effect of exchange rate changes
True ups and other
Amount of true ups and other adjustments.
New Accounting Pronouncements, Policy [Policy Text Block]
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR
CASH AND CASH EQUIVALENTS, END OF YEAR
True ups and other, percent
Percent of True ups and other adjustments.
Antidilutive Securities, Name [Domain]
Comprehensive loss:
Statement [Table]
The 2025 Note [Member]
Information pertaining to the 2025 Note.
bkyi_PolicyTable
Cash paid for amounts included in the measurement of operating lease liabilities
Inland Revenue, Hong Kong [Member]
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Domain]
Forfeiture of restricted stock
Forfeiture of restricted stock
Represents the adjustment to the additional paid in capitalt for the forfeited restricted stock.
Operating lease right-of-use asset and liability for new lease
Equipment [Member]
Tax Authority, Spain [Member]
Long-Term Debt, Type [Axis]
us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
Stock Issued During Period, Shares, Issued for Services (in shares)
Product and Service [Domain]
Product and Service [Axis]
Property, Plant, and Equipment (Year)
us-gaap_RepaymentsOfDebt
Repayments of Debt
Repayment of note payable
Options outstanding (in shares)
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Total future lease payments
Range of exercise prices, upper range (in dollars per share)
Exercise Price Range [Domain]
Exercise Price Range [Axis]
Options exercisable (in shares)
Weighted average discount rate – operating leases
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)
2026
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
Forfeited (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod
Expired (in shares)
us-gaap_ProceedsFromIssuanceOfDebt
Proceeds from Issuance of Debt
bkyi_DebtInstrumentPercentageOfProceedsRepaid
Debt Instrument, Percentage of Proceeds Repaid
Represent the percentage of proceeds repaid under a debt instrument.
Exercisable (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number (in shares)
Options exercisable, weighted average exercise price (in dollars per share)
ASSETS
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Outstanding (in shares)
Outstanding (in shares)
Nature of Expense [Axis]
2027
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Outstanding, weighted average exercise price (in dollars per share)
Outstanding, weighted average exercise price (in dollars per share)
Statement [Line Items]
bkyi_WarrantsOutstandingExercisePrice
Outstanding, weighted average exercise price, warrants (in dollars per share)
Outstanding, weighted average exercise price, warrants (in dollars per share)
Warrants outstanding exercise price.
Outstanding, aggregate intrinsic value
Common stock, shares issued (in shares)
Grantee Status [Domain]
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Common stock, shares outstanding (in shares)
Award Type [Domain]
Share-Based Payment Arrangement, Employee [Member]
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Outstanding, weighted average remaining contractual life, warrants (Year)
bkyi_WarrantsOutstandingWeightedAverageRemainingLife
Warrants outstanding weighted average remaining life.
Common stock, shares authorized (in shares)
Grantee Status [Axis]
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of Accrued Liabilities [Table Text Block]
Compensated absences
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Common stock — authorized, 170,000,000 shares; issued and outstanding; 1,085,360 and 371,696 of $.0001 par value at December 31, 2025 and December 31, 2024, respectively
Non Plan [Member]
Non plan member.
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
2027, Amortization Expense
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
2028, Amortization Expense
Schedule of Inventory, Current [Table Text Block]
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
2026, Amortization Expense
Permanent differences
Effective income tax reconciliation permanent differences.
us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)
Stock based fees to directors
The costs and payments related to stock-based fees to directors and consultants.
Accounts payable
us-gaap_PolicyTextBlockAbstract
Accounting Policies
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
Thereafter, Amortization Expense
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
2029, Amortization Expense
us-gaap_TableTextBlock
Notes Tables
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
2030, Amortization Expense
Government loan – BBVA Bank, net of current portion
bkyi_DebtInstrumentMandatoryPrepaymentPercentage
Debt Instrument, Mandatory Prepayment, Percentage
Represents the mandatory prepayment percentage.
bkyi_DebtInstrumentIncreaseDecreasePercentage
Debt Instrument, Increase (Decrease), Percentage
Represents the percentage of increase (decrease) in the debt instrument pursuant to the loan agreement.
us-gaap_ComprehensiveIncomeNetOfTax
Comprehensive loss
bkyi_DebtInstrumentExitFeePercentage
Debt Instrument, Exit Fee Percentage
Contractual exit fee rate for funds borrowed, under the debt agreement.
Useful Lives of Property Plan and Equipment [Table Text Block]
Tabular disclosure of the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment).
bkyi_DebtInstrumentRedemptionAmount
Debt Instrument, Redemption Amount
The principal amount of debt at which debt can be redeemed by the issuer.
Compensation
Concentration Risk [Table]
Accrued legal and accounting fees
Subsequent Events [Text Block]
Concentration Risk Type [Axis]
Accrued liabilities
Total
Concentration Risk Disclosure [Text Block]
Amortization of operating lease right-of-use assets
us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
Less: imputed interest
Outstanding, weighted average remaining life (Year)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Year)
Operating lease liabilities, net of current portion
Operating lease liabilities, non-current portion
Sales tax payable
Other
us-gaap_OtherAccruedLiabilitiesCurrent
us-gaap_OperatingLeaseLiability
Total operating lease liabilities
Total
Operating lease liabilities, current portion
Operating lease liabilities, current portion
Senior Secured Promissory Note [Member]
Represents the senior secured promissory note.
Accounts Receivable [Member]
Debt, current
Concentration Risk Type [Domain]
bkyi_DebtInstrumentReductionInOutstandingBalanceAtTheEndOfEachMonth
Debt Instrument, Reduction in Outstanding Balance at The End Of Each Month
The cash outflow from the repayment of the outstanding balance pursuant the agreement.
Income Tax Jurisdiction, Domestic Federal [Member]
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
Income Tax Jurisdiction, Domestic State and Local [Member]
Class of Warrant or Right [Table]
us-gaap_PaymentsOfFinancingCosts
Payments of Financing Costs
us-gaap_LongTermDebt
Long-Term Debt
Loss Contingencies [Table]
Intangible Asset, Finite-Lived, Class [Axis]
Statement of Stockholders' Equity [Abstract]
Lessee, Operating Lease, Costs, Assets and Liabilities [Table Text Block]
The tabular disclosure of costs, assets, and liabilities subject to operating lease by lessee.
Intangible Asset, Finite-Lived, Class [Domain]
Class of Warrant or Right [Axis]
Class of Warrant or Right [Domain]
Statement of Cash Flows [Abstract]
Other comprehensive income – Foreign translation adjustment
Product Concentration Risk [Member]
Long-Term Debt, Type [Domain]
STOCKHOLDERS’ EQUITY
Equity Components [Axis]
Operating lease liabilities
us-gaap_PaymentsOfStockIssuanceCosts
Costs incurred for issuance of common stock
Share-Based Payment Arrangement [Policy Text Block]
Equity Component [Domain]
Series B Warrants [Member]
Represents series B warrants.
us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)
Warrant Inducement Agreement [Member]
Represents the warrant inducement agreement.
Equity [Text Block]
AOCI Attributable to Parent [Member]
Additional Paid-in Capital [Member]
us-gaap_ClassOfWarrantOrRightOutstanding
Outstanding, warrants (in shares)
Outstanding, warrants (in shares)
Retained Earnings [Member]
Income Tax Jurisdiction, Foreign [Member]
us-gaap_CostOfGoodsAndServicesSold
Cost of Goods and Services Sold
Asset Acquisition [Domain]
Asset Acquisition [Axis]
Range of exercise prices, lower range (in dollars per share)
Reserve for inventory
us-gaap_InvestmentCompanyInvestmentOwnedFairValueMeasurementInput
Investment Company, Investment Owned, Measurement Input
Equipment and leasehold improvements, net
Total
Property, plant, and equipment, gross
us-gaap_AssetAcquisitionConsiderationTransferred
Asset Acquisition, Consideration Transferred
Referral Fee Warrants [Member]
Related to referral fee warrants.
Exercised, warrants (in shares)
Exercised, warrants (in shares)
The number of warrants exercised during period.
bkyi_ClassOfWarrantOrRightGrantsInPeriod
Granted, warrants (in shares)
The amount of warrants granted during the period.
Subsequent Event Type [Domain]
Charged to costs and expenses
bkyi_TotalWarrantsExpired
Expired, warrants (in shares)
Number of warrants expired during period.
bkyi_TotalWarrantsForfeited
Forfeited, warrants (in shares)
Number of warrants forfeited during period.
Granted, weighted average exercise price, warrants (in dollars per share)
Granted (in dollars per share)
Weighted average exercise price of warrants granted during period.
Subsequent Event [Table]
Subsequent Event Type [Axis]
Forfeited, weighted average exercise price, warrants (in dollars per share)
bkyi_WeightedAverageExercisePriceWarrantsForfeited
Weighted average exercise price of the warrants forfeited.
Expired, weighted average exercise price, warrants (in dollars per share)
bkyi_WeightedAverageExercisePriceWarrantsExpired
Weighted average exercise price of the warrants expired during period.
Property, Plant, and Equipment [Policy Text Block]
Exercised, weighted average exercise price, warrants (in dollars per share)
Exercised (in dollars per share)
Weighted average exercise price of the warrants exercised in the period.
Costs and other expenses
In The Money Options [Member]
Represents in-the-money options exercisable.
Furniture and Fixtures [Member]
Share-based compensation
Share-based compensation
Intangible Asset and Goodwill [Text Block]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block]
Federal and States
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Deferred tax liability
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Fair Value Disclosures [Text Block]
Share-Based Payment Arrangement, Option [Member]
Interest payable on Note
us-gaap_CurrentIncomeTaxExpenseBenefit
Subtotal, current
Employee Stock Purchase Plan [Member]
Information regarding employee stock purchase plan.
us-gaap_LiabilitiesCurrent
Total current liabilities
EMESA [Member]
Related to EMESA.
us-gaap_AccountsReceivableNetCurrent
Accounts receivable, net
Accounts receivable, net of allowances for Credit Losses
Customer Concentration Risk [Member]
Expiration of net operating loss and research credit carryforwards, percent
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to expiration of net operating loss and research credit carryforwards.
Wavedrone Platform from Shore House IVF [Member]
Relating to Wavedrone platform from Shore House IVF.
bkyi_MonthlyExpensesAmount
Monthly Expenses, Amount
The current amount of monthly expenses.
Customer Relationships [Member]
Revenue Benchmark [Member]
Lessee, Leases [Policy Text Block]
Long-Term Debt [Text Block]
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Less accumulated depreciation and amortization
Share based compensation for employee stock purchase plan
Accumulated other comprehensive loss
us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Less accumulated amortization
Total
Loss before provision for income taxes (tax benefits)
Operating lease liabilities
bkyi_DeferredTaxAssetsOperatingLeaseLiabilities
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from operating lease liabilities.
Existing Warrants [Member]
Represents the existing warrants.
Research and development expenses
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from research and development expenses.
us-gaap_CashUninsuredAmount
Cash, Uninsured Amount
Additional paid-in capital
Debt Conversion, Name [Domain]
Debt Conversion Description [Axis]
Use of Estimates, Policy [Policy Text Block]
One Customer [Member]
Information pertaining to one customer.
Prepaid expenses and other
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)
Issuance of common stock for employee stock purchase plan
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Capital expenditures
Issuance of stock for securities purchase agreements
Lessee, Operating Leases [Text Block]
Issuance of common stock for directors’ fees
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture
UNITED STATES
us-gaap_DebtInstrumentCarryingAmount
Long-Term Debt, Gross
Goodwill and Intangible Assets, Policy [Policy Text Block]
Options outstanding, weighted average remaining remaining life (Year)
us-gaap_DebtInstrumentFaceAmount
Debt Instrument, Face Amount
us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
Forfeiture of restricted stock
us-gaap_AssetsCurrent
Total current assets
Issuance of restricted common stock to employees
Issuance of common stock for directors’ fees (in shares)
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture (in shares)
Issuance of common stock for employee stock purchase plan (in shares)
Stock Issued During Period, Shares, Employee Stock Purchase Plans (in shares)
us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet
Debt Instrument, Increase (Decrease), Net
us-gaap_GrossProfit
Gross Profit
Trade Names [Member]
Goodwill [Table]
Issuance of stock for securities purchase agreements (in shares)
Stock Issued During Period, Shares, New Issues (in shares)
Accounts receivable
Debt Instrument, Name [Domain]
us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)
Exercised (in shares)
Fair Value Measurement Inputs and Valuation Techniques [Table]
us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt Instrument, Interest Rate, Stated Percentage
us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited (in shares)
Forfeiture of restricted stock (in shares)
Issuance of restricted common stock to employees (in shares)
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures (in shares)
us-gaap_Depreciation
Depreciation
us-gaap_DebtInstrumentUnamortizedDiscount
Debt Instrument, Unamortized Discount
Schedule of Long-Term Debt Instruments [Table]
Debt Instrument [Axis]
CASH FLOW FROM OPERATING ACTIVITIES:
Fabricated assemblies
CASH FLOWS FROM INVESTING ACTIVITIES:
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash used for operating activities
CASH FLOWS FROM FINANCING ACTIVITIES:
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash used for investing activities
Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense [Table Text Block]
Finished goods
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash (used in) provided by financing activities
Advertising Cost [Policy Text Block]
us-gaap_StockIssuedDuringPeriodSharesPeriodIncreaseDecrease
Stock Issued During Period, Shares, Period Increase (Decrease) (in shares)
us-gaap_AdvertisingExpense
Advertising Expense
Proprietary Software [Member]
Represents information pertaining to proprietary software.
Accounting Policies [Abstract]
Long-Lived Asset, Excluding Intangible Asset and Goodwill, Impairment and Disposal [Policy Text Block]
bkyi_OperatingExpensesBeforeImpairmentOfInvestment
Operating expenses before impairment of investment
Amount of operating expenses before impairment of investment.
Measurement Input, Impairment of Investments [Member]
Represents information pertaining to the measurement input for impairment of investments.
us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Allowance for Credit Losses
Balance
Balance
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent
Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent
Accounts Receivable [Policy Text Block]
Foreign, deferred
Internal Revenue Service (IRS) [Member]
Measurement Input Type [Axis]
Income Statement [Abstract]
us-gaap_NumberOfOperatingSegments
Number of Operating Segments
us-gaap_NumberOfReportableSegments
Number of Reportable Segments
Deferred income tax benefit
Subtotal
Repayment of government loan
bkyi_FeeOnProceedsFromWarrantsPercent
Fee on Proceeds From Warrants. Percent
The fee percentage resulting from the gross proceeds of warrants.
Measurement Input, Expected Term [Member]
Measurement Input, Exercise Price [Member]
Net loss
Net loss
Net loss
Net loss
Measurement Input, Price Volatility [Member]
us-gaap_AmortizationOfFinancingCosts
Loan fee amortization
Amortization of intangible assets and write-off
Amortization of Intangible Assets
us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts
Issuance costs
Measurement Input, Share Price [Member]
Measurement Input Type [Domain]
Measurement Input, Risk Free Interest Rate [Member]
Capital loss carry forward
Issuance of stock for repayment of debt
us-gaap_DebtConversionConvertedInstrumentSharesIssued1
Debt Conversion, Converted Instrument, Shares Issued (in shares)
us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued
Inventory reserve
Income Tax Disclosure [Text Block]
Warrant measurement input
Restricted Stock [Member]
Net operating loss and research and credit carryforwards
Accounting Standards Update and Change in Accounting Principle [Table]
us-gaap_DeferredTaxAssetsLiabilitiesNet
Net deferred tax liability
Income Tax, Policy [Policy Text Block]
Foreign rate differential - all
Federal statutory income tax rate
Impairment of investment
us-gaap_AssetImpairmentCharges
Asset, Impairment Loss
Tax credits
Other
us-gaap_DeferredTaxAssetsOther
Accrued compensation
Exercise Price Greater Than Average Market Price Of Common Shares [Member]
Exercise price greater than average market price of common shares member.
Amortization of intangible assets
Others
Two Customers [Member]
Information pertaining to two customer.
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value
Vested or expected to vest (in shares)
State taxes, net of federal benefit
Vested or expected to vest, aggregate intrinsic value
Allowance for credit losses
Allowance for credit losses - Foreign
Stock-based compensation
Restricted Stock units
Vested or expected to vest, weighted average exercise price (in dollars per share)
bkyi_ClassOfWarrantOrRightExercisedDuringPeriod
Class of Warrant or Right, Exercised During Period (in shares)
Represents the class of warrant or right, exercised during period.
Impairment of investment
Other income (expense)
Statement of Financial Position [Abstract]
us-gaap_DeferredTaxAssetsValuationAllowance
Deferred Tax Assets, Valuation Allowance
Valuation allowance
us-gaap_NonoperatingIncomeExpense
Total other income (expense)
us-gaap_LiabilitiesNoncurrent
Total non-current liabilities
us-gaap_AssetsNoncurrent
Total non-current assets
us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs
Deductions from reserves
us-gaap_IncomeTaxesPaidNet
Income Taxes Paid, Net
us-gaap_DeferredTaxLiabilitiesLeasingArrangements
Right-of-use operating lease assets
Cash paid during the year for:
us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
Deferred Tax Liability, Intangible Assets
Share based and warrant compensation for employees and consultants
Amount of noncash expense for share-based payment arrangement, excluding directors fees.
us-gaap_IncreaseDecreaseInAccruedSalaries
Increase (Decrease) in Accrued Salaries
Nonmonetary Transaction Type [Domain]
Nonmonetary Transaction Type [Axis]
us-gaap_IncreaseDecreaseInDeferredRevenue
Deferred revenue
Warrant [Member]
Document Type
Operating expenses
Document Information [Line Items]
us-gaap_ConcentrationRiskPercentage1
Concentration Risk, Percentage
Document Annual Report
Weighted average remaining lease term (in years) – operating leases (Year)
Document Information [Table]
us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Year)
Antidilutive securities (in shares)
Antidilutive Securities [Axis]
Entity Interactive Data Current
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)
Document Transition Report
Document Financial Statement Error Correction [Flag]
us-gaap_OperatingExpenses
Total operating expenses
Basic and Diluted (in shares)
us-gaap_DebtInstrumentTerm
Debt Instrument, Term (Month)
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Antidilutive Security, Excluded EPS Calculation [Table]
Basic and Diluted Loss per Common Share (in dollars per share)
Research and Development Expense, Policy [Policy Text Block]
Issuance of common stock for repayment of debt
Effective Income Tax Rate Reconciliation [Table]
Title and Position [Domain]
Deposits and other assets
Earnings Per Share, Policy [Policy Text Block]
Income Tax Jurisdiction [Axis]
Intangible assets, net
Subscription Orders [Member]
Relating to subscription orders.
Amortization of debt discount
ICFR Auditor Attestation Flag
Net carrying amount, total
Total, Amortization Expense
Document Fiscal Period Focus
Customer [Domain]
Gross carrying amount
Commitments Disclosure [Text Block]
Document Fiscal Year Focus
us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
Stockholders' Equity Note, Stock Split, Conversion Ratio
us-gaap_DepreciationAndAmortization
Depreciation, Depletion and Amortization, Nonproduction
Investment, Name [Domain]
Amendment Flag
bkyi_InvestmentOwnedPercentageOfSharesOutstanding
Investment Owned, Percentage of Shares Outstanding
Represents the percentage of outstanding shares of investment owned.
Common Stock [Member]
Promissory Note 2 [Member]
The second promissory note.
Promissory Note 1 [Member]
The first promissory note.
bkyi_StockIssuedDuringPeriodSharesPeriodIncreaseDecreasePercentage
Stock Issued During Period, Shares, Period Increase (Decrease), Percentage
The percentage increase (decrease) during the period in the number of shares issued.
Document Period End Date
Property, Plant, and Equipment [Text Block]
Long-Lived Asset, Class [Domain]
Legal Entity [Axis]
Granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)
Operating lease cost
Schedule of Warrants Valuation Assumptions [Table Text Block]
Tabular disclosure of the significant assumptions used during the year to estimate the fair value of warrants.
Allowance for credit losses
Amount of expense (reversal of expense) for expected credit loss, including write-offs, on accounts receivable.
Total lease cost
Entity File Number
Government Loan [Member]
Represents information related to government loan.
Entity Tax Identification Number
bkyi_IncreaseDecreaseInAccruedEmployeeReimbursement
Increase (Decrease) in Accrued Employee Reimbursement
The increase (decrease) in the accrued employee reimbursement.
Noncash investing and financing activities:
Disaggregation of Revenue [Table Text Block]
bkyi_IncreaseDecreaseInCapitalizedContractCosts
Capitalized contract costs
The amount of increase (decrease) in capitalized contract costs.
Disaggregation of Revenue [Table]
Entity [Domain]
bkyi_CommonStockVotesPerShare
Common Stock, Votes Per Share
The number of votes granted per common share.
Entity Central Index Key
Hardware [Member]
Represents information pertaining to hardware.
Entity Registrant Name
Entity Well-known Seasoned Issuer
Software, Internally Developed [Member]
Business Combination [Policy Text Block]
Entity Current Reporting Status
Entity Voluntary Filers
bkyi_IncreaseDecreaseInRightOfUseAssets
Right of use asset
The increase (decrease) during the reporting period in the aggregate amount of right of use assets.
Entity Incorporation, State or Country Code
bkyi_IncreaseDecreaseInProfessionalFees
Increase (Decrease) in Professional Fees
The increase (decrease) in the professional fees.
Current Fiscal Year End Date
bkyi_IncreaseDecreaseInVacationTimeAccrualExpense
Increase (Decrease) in Vacation Time Accrual Expense
The increase (decrease) in the vacation time accrual expense.
bkyi_IncreaseDecreaseInSalesTaxPayable
Increase (Decrease) in Sales Tax Payable
The increase (decrease) in the sales tax payable.
us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration
Entity Public Float
bkyi_AllowanceForDoubtfulAccounts
Bad debt expense
Amount of allowance for credit loss on accounts receivable.
Research, development and engineering
Entity Filer Category
Entity Shell Company
Proceeds from Employee Stock Purchase Plan
Represents proceeds from employee stock purchase plan.
Entity Emerging Growth Company
Entity Small Business
us-gaap_OperatingIncomeLoss
Operating loss
us-gaap_OperatingLossCarryforwards
Operating Loss Carryforwards
Outstanding Warrants [Member]
Related to outstanding warrants.
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares (in shares)
Boumarang, Inc. [Member]
Related to Boumarang, Inc.
us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Contract with Customer, Liability, Revenue Recognized
Taxes
bkyi_AccruedFranchiseTaxesCurrent
Represents current portion of accrued franchise taxes.
Employee expenses reimbursement
Represents accrued employee expenses reimbursement, current.
Revenues
Entity Address, State or Province
Inventory, Current [Table]
Entity Address, City or Town
us-gaap_InterestExpenseNonoperating
Interest expense
Accumulated deficit
Entity Address, Address Line One
Hardware Reserve [Member]
Relating to hardware reserve.
City Area Code
Capitalized contract costs, net
Local Phone Number
Entity Address, Postal Zip Code
Revenue from Contract with Customer [Text Block]
Title of 12(b) Security
Security Exchange Name
Trading Symbol
Class of Stock [Axis]
Revenue [Policy Text Block]
Amortization of capitalized contract costs
Entity Common Stock, Shares Outstanding
Earnings Per Share [Text Block]
us-gaap_OtherAssetsCurrent
Due from factor
Director [Member]
Proceeds from issuance of note payable
Proceeds from Debt, Net of Issuance Costs
Income tax payable
us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable
Scenario [Axis]
Scenario [Domain]
Forecast [Member]
Weighted Average Shares Outstanding:
bkyi_BeneficialOwnershipLimitationPercentageOfCommonStockOutstanding
Beneficial Ownership Limitation, Percentage of Common Stock Outstanding
The maximum amount of common stock, expressed as a percentage of total common stock outstanding, an investor is allowed to own.
Proceeds from the exercise of warrants
Proceeds from Warrant Exercises
Exercisable, aggregate intrinsic value
Property, Plant, and Equipment [Table]
Options outstanding, weighted average exercise price (in dollars per share)
Common stock, par value (in dollars per share)
Investment, Name [Axis]
Long-Lived Asset, Class [Axis]
us-gaap_Assets
TOTAL ASSETS
Cash and Cash Equivalents, Policy [Policy Text Block]
Cash and cash equivalents
Auditor Firm ID
Auditor Name
Geographical [Domain]
Auditor Location
Geographical [Axis]
us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Defined Contribution Plan, Employer Discretionary Contribution Amount
us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Common Stock, Capital Shares Reserved for Future Issuance (in shares)
Investment [Text Block]
Deferred revenue, net of current portion
us-gaap_ContractWithCustomerLiability
Contract with Customer, Liability
us-gaap_InvestmentOwnedBalanceShares
Investment Owned, Balance, Shares (in shares)
Customer [Axis]
Deferred revenue – current
Investment Holdings [Table]
Accounts and Financing Receivables [Table]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Consolidation, Policy [Policy Text Block]
License [Member]
Interest income
Interest
Selling, General, and Administrative [Member]
Relating to selling, general, and administrative.
Research, Development and Engineering [Member]
Relating to research, development and engineering.
Inventory Disclosure [Text Block]
Intangible Asset, Finite-Lived [Table Text Block]
The 2015 Equity Incentive Plan [Member]
Refers to information regarding the 2015 Equity Incentive plan.
Intangible Asset, Finite-Lived [Table]
Interim Period, Costs Not Allocable [Domain]
Inventory, net of reserve
Total inventory
Service [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
us-gaap_StockholdersEquity
TOTAL STOCKHOLDERS’ EQUITY
Balance
Balance
Award Timing MNPI Disclosure [Text Block]
Stock, Class of Stock [Table]
Patents [Member]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
us-gaap_InventoryValuationReserves
Reserve on finished goods
Operating lease right-of-use assets
Operating lease right-of-use assets
ecd_MnpiDiscTimedForCompValFlag
MNPI Disclosure Timed for Compensation Value [Flag]
ecd_Rule10b51ArrTrmntdFlag
Rule 10b5-1 Arrangement Terminated [Flag]
Property, Plant, and Equipment [Table Text Block]
us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Equipment and leasehold improvements
ecd_Rule10b51ArrAdoptedFlag
Rule 10b5-1 Arrangement Adopted [Flag]
The 2023 Stock Incentive Plan [Member]
Represents the 2023 stock incentive plan.
us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax
Revenues
Commitments (Note L)
Valuation allowance