Equity Components [Axis] Common Stock [Member] Additional Paid-in Capital [Member] AOCI Attributable to Parent [Member] Retained Earnings [Member] Parent [Member] Noncontrolling Interest [Member] Product and Service [Axis] IT Hardware Sales [Member] Billing Service Revenue [Member] Currency [Axis] United States of America, Dollars Award Type [Axis] Period End [Member] Average 6 Months Ended [Member] Average 3 Months Ended [Member] Sweden, Kronor Billing Service [Member] Title and Position [Axis] Five Individuals [Member] Derivative Instrument [Axis] Equity Option [Member] Service Provider [Member] Various Service Provider [Member] Two Employees [Member] Subsequent Event Type [Axis] Subsequent Event [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] Statement of Financial Position [Abstract] ASSETS Current assets: Cash Prepaid expenses and other current assets Total current assets Property and equipment, net Total assets LIABILITIES AND EQUITY (DEFICIT) Current liabilities: Accounts payable Accrued expenses Contract liability Other current liabilities Total current liabilities Total liabilities Equity (deficit): Common stock, $ 0.0001 par value, 100,000,000 shares authorized; 13,637,824 and 41,193,052 shares issued and outstanding at June 30, 2026 and September 30, 2025, respectively. Additional paid in capital Accumulated other comprehensive income Accumulated deficit Total Vertical Data Inc. (deficit) equity Non-controlling interests Total stockholders’ equity Total liabilities and equity (deficit) Common stock, par value Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Income Statement [Abstract] Revenue Cost of sales Gross margin Operating expenses: General and administrative Total operating expenses Loss from operations Net loss Less: Net loss attributable to non-controlling interest Net loss attributable to Vertical Data Inc. shareholders Net loss per common share attributable to Vertical Data Inc.: Basic Diluted Weighted average common shares outstanding: Basic Diluted Comprehensive loss: Foreign currency translation Comprehensive loss Less: Comprehensive loss attributable to non-controlling interest Comprehensive loss attributable to Vertical Data Inc. shareholders Statement [Table] Statement [Line Items] Beginning balance, value Balance, shares Issuance of common stock Balance, shares Employee stock-based compensation Net loss Common stock cancellation Balance, shares Employee stock-based compensation Balance, shares Non-employee stock-based compensation Balance, shares Ending balance, value Balance, shares Statement of Cash Flows [Abstract] Cash flows from operating activities: Adjustments to reconcile net (loss) income to net cash used in operating activities Employee stock-based compensation Non-employee stock-based compensation Depreciation expense Changes in operating assets and liabilities: Prepaid expenses Other current assets Accounts payable Accrued expenses Contract liability Other current liabilities Net cash provided by (used in) operating activities Cash flows from investing activities: Purchase of property and equipment Net cash used in investing activities Cash flows from financing activities: Issuance of common stock Payments on insurance premium financing payable Net cash provided by financing activities Effect of foreign currency translation on cash Net change in cash and cash equivalents Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Supplemental disclosures of cash flow information: Cash paid for interest Supplemental disclosures of non-cash investing and financing activities: Insurance premiums financed with issuance of a liability Organization, Consolidation and Presentation of Financial Statements [Abstract] NATURE OF OPERATIONS Accounting Policies [Abstract] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND NEW ACCOUNTING STANDARDS Prepaid Expenses And Other Current Assets PREPAID EXPENSES AND OTHER CURRENT ASSETS Property, Plant, and Equipment [Abstract] PROPERTY AND EQUIPMENT Payables and Accruals [Abstract] ACCRUED EXPENSES Other Liabilities Disclosure [Abstract] OTHER CURRENT LIABILITIES Equity [Abstract] STOCKHOLDERS’ EQUITY Subsequent Events [Abstract] SUBSEQUENT EVENTS Basis of Presentation Use of Estimates Recognition of Revenue from Contracts with Customers Translation of Foreign Operations Foreign Currency Transactions Non-Controlling Interest Stock-Based Compensation Segments Concentrations of Credit Risk, Customers and Vendors Recent Accounting Pronouncements SCHEDULE OF REVENUE DISAGGREGATED BY SERVICE SCHEDULE OF RELEVANT TANSLATION RATES SCHEDULE OF PREPAID EXPENSES AND OTHER CURRENT ASSETS SCHEDULE OF PROPERTY AND EQUIPMENT SCHEDULE OF ACCRUED LIABILITIES SCHEDULE OF OTHER CURRENT LIABILITIES Nature of Operation, Product Information, Concentration of Risk [Table] Product Information [Line Items] Total revenue Foreign Currency, Difference between Reported Amount and Reporting Currency Denominated Amount [Table] Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items] Foreign currency exchange rate, translation Customer prepayment related to sale of computer equipment Schedule Of Prepaid Expenses And Other Current Assets Prepaid commissions Vendor deposits Prepaid insurance Other Prepaid expenses and other current assets Prepaid expenses Tools, machinery, and equipment Less – accumulated depreciation Total property and equipment, net Depreciation expenses Wages accrual Expenses accrual Total accrued liabilities Payable to counterparty Insurance premium financing payable Total other current liabilities OtherLiabilitiesDisclosureTable [Table] Receipts of funds Payment to counterparty Payable to counterparty Insurance down payment Amortization expense Insurance obligation Insurance monthly installments Maturity date Reinsurance Payable Stock, Class of Stock [Table] Class of Stock [Line Items] Capital unit authorized Common Stock, par value Number of common stock sold Net proceeds from sale of common stock Common stock for future issuance Sale of stock in previous quarter Number of share cancellation Stock option cancellations Stock options exercised Weighted average exercise price Proceeds from stock option Settlement of liabilities Number of common stock issued Number of shares restricted stock awards Vesting period description Grant date fair value of awards Subsequent Event [Table] Subsequent Event [Line Items] The entire disclosure for prepaid expenses. Prepaid commissions. Adjustments to additional paid in capital employee share based compensation requisite service period recognition value Credit card accrual. Net carrying amount of stock subscriptions receivable and stock subscriptions to be issued. It represents the value of equity shares that a subscriber has contracted to purchase but has not yet paid for, or shares that the entity is contractually obligated to issue upon fulfillment of subscription terms. Adjustments to additional paid in capital non employee sharebased compensation requisite service period recognition shares. Payable to counterparty. Non employee stock based compensation. Payments on insurance premium financing payable. IT Hardware Sales [Member] Billing Service Revenue [Member] Insurance premium down payment. Insurance monthly installments. Five Individuals [Member] Billing Service [Member] Period End [Member] Average 6 Months Ended [Member] Average 3 Months Ended [Member] Service Provider [Member] Various Service Provider [Member] Two Employees [Member] Non-controlling Interest [Policy Text Block] Concentration of Credit Risk [Policy Text Block] Prepaid Expenses and Other Current Assets Disclosure [Text Block] Translation of Foreign Operations [Policy Text Block] Payables to counterparty. Counterparty refundable fees refund payments, Assets, Current Assets Liabilities, Current Liabilities Equity, Attributable to Parent Equity, Attributable to Noncontrolling Interest Equity, Including Portion Attributable to Noncontrolling Interest Liabilities and Equity Gross Profit Operating Expenses Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Net Income (Loss) Attributable to Noncontrolling Interest Net Income (Loss) Attributable to Parent Weighted Average Number of Shares Outstanding, Basic Weighted Average Number of Shares Outstanding, Diluted Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Attributable to Parent Shares, Outstanding Stock Issued During Period, Value, Other Stock Repurchased During Period, Value Stock Repurchased During Period, Shares AdjustmentsToAdditionalPaidInCapitalNonEmployeeSharebasedCompensationRequisiteServicePeriodRecognitionShares Share-Based Payment Arrangement, Noncash Expense NonemployeeStockbasedCompensation Increase (Decrease) in Prepaid Expense Increase (Decrease) in Other Current Assets Increase (Decrease) in Accounts Payable Increase (Decrease) in Accrued Liabilities Increase (Decrease) in Contract with Customer, Asset Increase (Decrease) in Other Current Liabilities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Payments to Acquire Property, Plant, and Equipment Cash Provided by (Used in) Investing Activity, Including Discontinued Operation PaymentsOnInsurancePremiumFinancingPayable Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect, Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Payables to counterparty Balance Balance