Class of Stock [Axis] Series A Preferred Stock [Member] Equity Components [Axis] Preferred Stock [Member] Common Stock [Member] Additional Paid-in Capital [Member] Subscriptions Received [Member] Retained Earnings [Member] Noncontrolling Interest [Member] Business Combination [Axis] M E I Acquisition [Member] Concentration Risk Type [Axis] Customer Concentration Risk [Member] Concentration Risk Benchmark [Axis] Revenue Benchmark [Member] Customer [Axis] Two Customers [Member] Statistical Measurement [Axis] Minimum [Member] Maximum [Member] Location, Statement of Income, Balance [Axis] Product and Service [Axis] Implementation Fees [Member] License [Member] Subscription Fees [Member] Antidilutive Securities [Axis] Long-Lived Asset, Class [Axis] Furniture and Fixtures [Member] Leasehold Improvements [Member] Office Equipment [Member] Vehicles [Member] Millennium EBS, Inc. [Member] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Stock Exchange And Acquisition Agreement [Member] Related and Nonrelated Parties [Axis] Shinto Matthew [Member] Ownership [Axis] M E I [Member] Intangible Asset, Finite-Lived, Class [Axis] Millenium Payment Hub Platform [Member] Internal Use Software Development [Member] Prepaid Debit And Credit Card Software [Member] Other Intangible Asset Payment Hub [Member] Chief Executive Officer [Member] Director [Member] Millenium Consultants Inc [Member] Related Party Transaction [Axis] Employment Agreement [Member] Counterparty Name [Axis] M E I Selling Shareholder [Member] Transaction Type [Axis] Aquisition Fee Payable [Member] Other Amounts Due [Member] Office Lease [Member] Lease Contractual Term [Axis] First Month Payment [Member] Office Lease – J Plaza [Member] Office Lease 2023 [Member] One Month Rent [Member] Security Deposit [Member] Office Lease Aug 2020 [Member] Office Lease Oct 2020 [Member] Reseller Agreement [Member] Other Commitments [Axis] Months 0to 3 [Member] Months 4to 12 [Member] Plan Name [Axis] Stock Incentive Plan 2022 [Member] Cover [Abstract] Document Type Amendment Flag Amendment Description Document Registration Statement Document Annual Report Document Quarterly Report Document Transition Report Document Shell Company Report Document Shell Company Event Date Document Period Start Date Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Current Fiscal Year End Date Entity File Number Entity Registrant Name Entity Central Index Key Entity Primary SIC Number Entity Tax Identification Number Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Three Entity Address, City or Town Entity Address, State or Province Entity Address, Country Entity Address, Postal Zip Code Country Region City Area Code Local Phone Number Extension Written Communications Soliciting Material Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Title of 12(b) Security No Trading Symbol Flag Trading Symbol Security Exchange Name Title of 12(g) Security Security Reporting Obligation Annual Information Form Audited Annual Financial Statements Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Elected Not To Use the Extended Transition Period Document Accounting Standard Other Reporting Standard Item Number Entity Shell Company Entity Public Float Entity Bankruptcy Proceedings, Reporting Current Entity Common Stock, Shares Outstanding Documents Incorporated by Reference [Text Block] ICFR Auditor Attestation Flag Document Financial Statement Error Correction [Flag] Auditor Firm ID Auditor Name Auditor Location Statement of Financial Position [Abstract] ASSETS Current Assets Cash Accounts receivable, net Prepaid deposits and other current assets Total Current Assets Property and equipment, net Software, net Other intangible assets Right-of-use asset Deposits Total Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Current Liabilities Accounts payable and accrued liabilities Compensation payable to officer Deferred revenue Related party payables Loan payable, current portion Lease liabilities - current maturity Total Current Liabilities Loan payable, non-current portion Lease liabilities - net of current maturity Total Liabilities Commitments and Contingencies (See Note 8) Stockholders’ Equity Preferred stock, $0.001 par value; 25,000,000 shares authorized, Series A Preferred Stock, 1,000,000 shares designated, 292,000 shares issued and outstanding at March 31, 2026 and March 31, 2025, respectively Common stock, $0.001 par value; 500,000,000 shares authorized, 14,428,867 shares and 14,273,260 shares issued and outstanding at March 31, 2026 and March 31, 2025, respectively Additional paid in capital Stock subscriptions received Accumulated deficit Total BlueOne Card Inc. Stockholders’ Equity Non-controlling interest in subsidiary Total Equity Total Liabilities and Equity Statement [Table] Statement [Line Items] Preferred stock, par value Preferred stock, shares designated Preferred stock, shares issued Preferred stock, shares outstanding Common stock, par value Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Income Statement [Abstract] Revenues Operating Expenses Cost of revenues (excluding software amortization included in G&A) Legal and filing fees Rent General and administrative Total Operating Expenses Loss from Operations Other Income (Expense) Interest income Interest expense Total Other Income (Expense) Loss before Income Taxes Provision for Income Tax Net Loss Net loss of subsidiary attributable to non-controlling interest Net Loss Attributable to Common Shareholders Basic Net Loss Attributable to Common Shareholders Per Share Diluted Net Loss Attributable to Common Shareholders Per Share Weighted Average Number of Shares Outstanding - Basic Weighted Average Number of Shares Outstanding - Diluted Beginning balance Balance, shares Issuance of shares for previous cash received Issuance of shares for previous cash received, shares Sale of common stock Sale of common stock, shares Non-controlling interest acquired Non-controlling interest acquired, shares Initial recording of non-controlling interest Net loss Ending balance Balance, shares Statement of Cash Flows [Abstract] Cash Flows from Operating Activities: Adjustments to reconcile net loss to net cash used in operating activities: Depreciation Inventory reserve Non-cash rent expense Amortization of software Credit loss expense Changes in operating assets and liabilities: (Increase) decrease in accounts receivable Decrease in inventory (Increase) decrease in prepaid deposits and other current assets Increase (decrease) in accounts payable and accrued liabilities Increase in compensation payable to officer Increase in deferred revenue Increase (decrease) in related party payables Net Cash Used in Operating Activities Cash Flows from Investing Activities: Cash paid for purchase of internal-use software costs Cash paid for purchase of property and equipment Cash proceeds from long term assets Net Cash Used in Investing Activities Cash Flows from Financing Activities: Cash proceeds from sale of common stock Cash paid to related party for acquisition of subsidiary Cash proceeds from related party Net Cash Provided by Financing Activities Net (Decrease) in Cash Cash - Beginning of the Year Cash - End of the Year Supplemental Disclosures of Cash Flows Cash paid for interest Cash paid for income taxes Supplemental Disclosures of Non-Cash Investing and Financing Activities Present value of initial lease liability and right-of-use asset Issuance of payable for acquisition Issuance of common stock for acquisition of subsidiary Non-controlling interest acquired Pay vs Performance Disclosure [Table] Executive Category [Axis] Individual [Axis] Adjustment to Compensation [Axis] Measure [Axis] Pay vs Performance Disclosure, Table Company Selected Measure Name Named Executive Officers, Footnote Peer Group Issuers, Footnote Changed Peer Group, Footnote PEO Total Compensation Amount PEO Actually Paid Compensation Amount Adjustment To PEO Compensation, Footnote Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Compensation Actually Paid Amount Adjustment to Non-PEO NEO Compensation Footnote Equity Valuation Assumption Difference, Footnote Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Company Selected Measure Total Shareholder Return Vs Peer Group Compensation Actually Paid vs. Other Measure Tabular List, Table Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net Income (Loss) Company Selected Measure Amount Other Performance Measure, Amount Adjustment to Compensation, Amount PEO Name Name Non-GAAP Measure Description Additional 402(v) Disclosure Pension Benefits Adjustments, Footnote Equity Awards Adjustments, Footnote Erroneously Awarded Compensation Recovery [Table] Restatement Determination Date [Axis] Restatement Determination Date Aggregate Erroneous Compensation Amount Erroneous Compensation Analysis Stock Price or TSR Estimation Method Outstanding Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Not Yet Determined Name Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery, Explanation of Impracticability Name Compensation Amount Restatement does not require Recovery Award Timing Disclosures [Line Items] Award Timing MNPI Disclosure Award Timing Method Award Timing Predetermined Award Timing MNPI Considered Award Timing, How MNPI Considered MNPI Disclosure Timed for Compensation Value Awards Close in Time to MNPI Disclosures, Table Name Underlying Securities Exercise Price Fair Value as of Grant Date Underlying Security Market Price Change Insider Trading Arrangements [Line Items] Material Terms of Trading Arrangement Name Title Rule 10b5-1 Arrangement Adopted [Flag] Non-Rule 10b5-1 Arrangement Adopted [Flag] Adoption Date Rule 10b5-1 Arrangement Terminated [Flag] Non-Rule 10b5-1 Arrangement Terminated [Flag] Termination Date Expiration Date Arrangement Duration Aggregate Available Insider Trading Policies and Procedures [Line Items] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Not Adopted Cybersecurity Risk Management, Strategy, and Governance [Abstract] Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block] Cybersecurity Risk Management Processes Integrated [Flag] Cybersecurity Risk Management Processes Integrated [Text Block] Cybersecurity Risk Management Third Party Engaged [Flag] Cybersecurity Risk Third Party Oversight and Identification Processes [Flag] Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag] Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block] Cybersecurity Risk Board of Directors Oversight [Text Block] Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block] Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block] Cybersecurity Risk Role of Management [Text Block] Cybersecurity Risk Management Positions or Committees Responsible [Flag] Cybersecurity Risk Management Positions or Committees Responsible [Text Block] Cybersecurity Risk Management Expertise of Management Responsible [Text Block] Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block] Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag] Material Cybersecurity Incident [Abstract] Material Cybersecurity Incident Nature [Text Block] Material Cybersecurity Incident Scope [Text Block] Material Cybersecurity Incident Timing [Text Block] Material Cybersecurity Incident Material Impact or Reasonably Likely Material Impact [Text Block] Material Cybersecurity Incident Information Not Available or Undetermined [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] NATURE OF OPERATIONS, GOING CONCERN AND BASIS OF PRESENTATION Accounting Policies [Abstract] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Inventory Disclosure [Abstract] INVENTORY Property, Plant, and Equipment [Abstract] PROPERTY AND EQUIPMENT Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] ACQUISITION OF MILLENIUM EBS, INC. Intangible Asset, Goodwill and Other [Abstract] INTERNAL-USE SOFTWARE Related Party Transactions [Abstract] RELATED PARTY TRANSACTIONS Commitments and Contingencies Disclosure [Abstract] COMMITMENTS AND CONTINGENCIES Equity [Abstract] STOCKHOLDERS’ EQUITY Income Tax Disclosure [Abstract] INCOME TAXES Subsequent Events [Abstract] SUBSEQUENT EVENT Use of Estimates Cash and Cash Equivalents Concentrations Accounts Receivable Inventory Property and Equipment Internal-Use Software Long-lived Assets Business Combination Payment Hub Intangible Asset Leases Fair value of Financial Instruments and Fair Value Measurements Revenue Recognition Revenue Disaggregation Stock-based Compensation Research and Development Costs Advertising and Marketing Costs Income Taxes Non-controlling interests Segment Reporting Earnings (Loss) Per Common Share Schedule of revenue disaggregation Schedule of earnings (loss) per common share Schedule of anti-dilutive shares Schedule of inventory Schedule of property and equipment Schedule of business acquisition Schedule of software development costs Schedule of software and accumulated amortization Schedule of estimated future amortization expense Schedule of related party payables Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Line Items] Schedule of non-cancellable operating leases Schedule of supplemental balance sheet information Schedule of anticipated future costs Schedule of minimum monthly program management Reconciliation of income tax expense Schedule of deferred tax assets and liabilities Restructuring Cost [Table] Restructuring Cost and Reserve [Line Items] Stock acquired during period, acquisition Stock issued for acquisition, shares Obligation to pay Net loss Net cash flows used in operating activities Accumulated deficit Working capital deficit Nature of Operation, Product Information, Concentration of Risk [Table] Product Information [Line Items] Total revenues Net loss computation of basic and diluted net loss per common share: Net loss attributable to common stockholders Basic and diluted net loss per share: Basic net loss per common share Diluted net loss per common share Basic weighted average common shares outstanding Diluted weighted average common shares outstanding Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Total anti-dilutive weighted average shares Cash equivalents Concentration percentage Net accounts receivable Allowance for credit losses Inventory Property and equipment, estimated useful lives Impairment loss Research and development costs Advertising and marketing costs Number of Reportable Segments Number of Operating Segments Prepaid cards inventory Less: reserve to reduce to net realizable value Total Property and equipment, gross  Estimated Life Less: Accumulated depreciation and amortization Total Depreciation and amortization expense Business Combination [Table] Business Combination [Line Items] Consideration paid for acquisition % of Millennium EBS acquired Fair market value of Millenium EBS assets Deferred Costs Payment Hub Intangible assets Total Assets Acquired Accounts payable Noncontrolling interest Purchase price Allocation of non-controlling interest Non-controlling interest acquired Loss allocated to non-controlling interest Non-controlling interest n Contractual Obligation Debt converted into equity Finite-lived intangible asset, useful life Percentage of millennium EBS acquired Deferred costs Noncontrolling interest Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Line Items] Useful Life (Years) Capitalized software, gross Less: Accumulated amortization Total capitalized software Intangible Asset, Finite-Lived, before Accumulated Amortization Additions to capitalized software Less: Amortization Intangible Asset, Finite-Lived, after Accumulated Amortization Fiscal Year ended December 31, 2026 2027 2028 2029 2030 Thereafter Total Capitalized costs Related Party Transaction [Table] Related Party Transaction [Line Items] Total Related party payable Compensation expenses Compensation payable Payment to acquire business Consulting expense Other accounts payable Debt converted into equity Other liability Right-of-use asset, net Current lease liabilities Non-current lease liabilities Total operating lease liabilities Weighted average remaining lease term (years) Weighted average discount rate per annum March 31, 2026 Total lease payments Less: imputed interest Present value of lease liabilities March 31, 2027 Other Commitments [Table] Other Commitments [Line Items] Months 4 – 12 Year 2 Year 3 and thereafter Operating Lease, Payments Lease, Cost Rent expense Lease Expiration Date Settlement expense Lease description Payment of rent Lease liability Contractual obligation Payment on obligation Annual due diligence fee Refund of payment Acquisition payable Stock, Class of Stock [Table] Class of Stock [Line Items] Proceeds from sale of stock Stock issued new, shares Conversion of stock, description Voting rights, description Shares authorized for issuance under the plan Shares available for grant Expected income tax benefit Expected income tax benefit, % State taxes, net of federal benefit State taxes, net of federal benefit, % Other permanent items Other permanent items, % Change in valuation allowance Change in valuation allowance, % Income tax expense (benefit) Income tax expense (benefit), % Deferred tax assets: Net operating loss carryforward Total gross deferred tax assets Less: valuation allowance Net deferred tax assets Operating Loss Carryforwards Subscriptions Received [Member] Millennium EBS, Inc. [Member] Two Customers [Member] Implementation Fees [Member] Subscription Fees [Member] 2022 Stock Incentive Plan [Member] Office Lease [Member] First Month Payment [Member] Office Lease – J Plaza [Member] One Month Rent [Member] Two Month Rent [Member] Millenium Payment Hub Platform [Member] Reseller Agreement [Member] Internal Use Software Development [Member] Prepaid Debit And Credit Card Software [Member] Other Intangible Asset Payment Hub [Member] Millenium Consultants Inc [Member] Assets, Current Assets Liabilities, Current Liabilities Stockholders' Equity Note, Subscriptions Receivable Equity, Attributable to Parent Equity, Including Portion Attributable to Noncontrolling Interest Liabilities and Equity Operating Expenses [Default Label] Operating Income (Loss) Interest Expense, Nonoperating Nonoperating Income (Expense) Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Shares, Outstanding Increase (Decrease) in Accounts Receivable Increase (Decrease) in Inventories Increase (Decrease) in Prepaid Expenses, Other Payments to Acquire Software Payments to Acquire Property, Plant, and Equipment Cash Provided by (Used in) Investing Activity, Including Discontinued Operation PaymentsToAcquireRelatedPartyForAcquisitionOfSubsidiary Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation NoncontrollingInterestAcquired Forgone Recovery, Individual Name Outstanding Recovery, Individual Name Awards Close in Time to MNPI Disclosures, Individual Name Trading Arrangement, Individual Name WorkingCapital Inventory, Net Inventory Valuation Reserves Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Business Combination, Recognized Liability Assumed, Other Liability, Current Noncontrolling Interest, Increase from Business Combination Capitalized Cost, Software to be Sold, Leased, or Marketed, Accumulated Amortization Intangible Asset, Finite-Lived, Amortization Expense Debt Conversion, Converted Instrument, Amount Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Deferred Tax Assets, Gross Deferred Tax Assets, Valuation Allowance Deferred Tax Assets, Net of Valuation Allowance