Document and Entity Information Document Type Document Quarterly Report Document Period End Date Document Transition Report Securities Act File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag CONDENSED CONSOLIDATED BALANCE SHEETS Statement [Table] Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Domain] Related Party [Member] Related Party Nonrelated Party [Member] Nonrelated Party Statement [Line Items] Statement Disclosure Assets [Abstract] ASSETS Assets, Current [Abstract] Current assets Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Receivables, Net, Current Accounts receivable, net Inventory, Net Inventory Total inventory Prepaid Expense and Other Assets, Current Prepaid expenses Other Assets, Current Other current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net Total property and equipment, net Operating Lease, Right-of-Use Asset Operating lease right-of-use assets Other Assets, Noncurrent Other assets Assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' (DEFICIT) EQUITY Liabilities, Current [Abstract] Current liabilities Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued expenses Total accrued expenses Long-Term Debt, Current Maturities Less current portion of long-term debt Current portion of long-term debt Other Liabilities, Current Other current liabilities Liabilities, Current Total current liabilities Operating Lease, Liability, Noncurrent Long-term portion of operating lease liabilities Long-term portion of operating lease liability Derivative Liability, Noncurrent Derivative liabilities Warrant derivative liability Long-Term Debt, Excluding Current Maturities Long-term debt Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies (Note 16) Equity, Attributable to Parent [Abstract] Stockholders' (deficit) equity Preferred Stock, Value, Issued Preferred stock, $0.001 par value, 10,000 shares authorized; no shares issued and outstanding as of March 31, 2025 and December 31, 2024 Common Stock, Value, Issued Common stock, $0.001 par value, 200,000 shares authorized as of March 31, 2025 and December 31, 2024; 5,468 and 3,102 shares issued and outstanding as of March 31, 2025 and December 31, 2024, respectively Additional Paid in Capital Additional paid-in-capital Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated deficit Equity, Attributable to Parent Ending Balance Beginning Balance Total stockholders' (deficit) equity Liabilities and Equity Total liabilities and stockholders' (deficit) equity Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Authorized Preferred stock, shares authorized (in shares) Preferred Stock, Shares Issued Preferred stock, shares issued (in shares) Preferred Stock, Shares Outstanding Preferred stock, shares outstanding (in shares) Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized (in shares) Common Stock, Shares, Issued Common stock, shares issued (in shares) Common Stock, Shares, Outstanding Ending Balance (in shares) Beginning Balance (in shares) Common stock, shares outstanding (in shares) CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Revenues [Abstract] Revenues Revenue from Contract with Customer, Excluding Assessed Tax Product revenue, net Costs and Expenses [Abstract] Operating expenses Cost of Goods and Services Sold Cost of goods sold Research and Development Expense Research and development Total research and development costs Selling, General and Administrative Expense Selling, general and administrative Total selling, general and administrative costs Costs and Expenses Total operating expenses Operating Income (Loss) Loss from operations Nonoperating Income (Expense) [Abstract] Other (income) expense Interest Expense, Nonoperating Interest expense Total interest expense Investment Income, Interest Interest income Other Nonoperating Income (Expense) Other (income) expense, net Net losses Net loss Net loss (numerator) Earnings Per Share, Basic Basic net loss per share attributable to common stockholders (in dollars per share) Basic net loss per share (in dollars per share) Earnings Per Share, Diluted Diluted net loss per share attributable to common stockholders (in dollars per share) Diluted net loss per share (in dollars per share) Weighted Average Number of Shares Outstanding, Basic Weighted average shares (denominator) - basic (in shares) Weighted average shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Diluted Weighted average shares outstanding - diluted (in shares) Weighted average shares (denominator) - diluted (in shares) CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' (DEFICIT) EQUITY Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Common stock Additional Paid-in Capital [Member] Additional paid-in-capital Retained Earnings [Member] Accumulated deficit Stock Issued During Period, Value, New Issues Issuance of common stock, net of offering costs Stock Issued During Period, Shares, New Issues Shares issued (in shares) Issuance of common stock, net of offering costs (in shares) APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Stock-based compensation Stock Issued During Period, Value, Stock Options Exercised Exercise of stock options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Options exercised (in shares) Exercise of stock options (in shares) Warrant, Down Round Feature, Increase (Decrease) in Equity, Amount Repricing of stock purchase warrants Adjustments to Additional Paid in Capital, Warrant Issued Issuance of stock purchase warrants Amount of increase in additional paid in capital (APIC) resulting from the issuance of pre-funded warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants. Adjustments To Additional Paid In Capital, Pre Funded Warrant Issued Issuance of pre-funded stock purchase warrants Value of stock issued as a result of the exercise of warrants. Stock Issued During Period, Value, Warrants Exercised Exercise of pre-funded stock purchase warrants Shares of stock issued as a result of the exercise of warrants. Stock Issued During Period, Shares, Warrants Exercise Exercise of pre-funded stock purchase warrants (in shares) Restricted Stock, Value, Shares Issued Net of Tax Withholdings Vesting of restricted stock units, net of employee tax obligations Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Vesting of restricted stock units, net of employee tax obligations (in shares) CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities [Abstract] OPERATING CASH FLOW ACTIVITIES: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Reconciliation of net loss to net cash used in operating activities Depreciation Depreciation Amortization of Debt Issuance Costs and Discounts Accretion of debt discount and amortization of financing costs Derivative, Gain (Loss) on Derivative, Net Change in fair value of derivative liabilities Share-Based Payment Arrangement, Noncash Expense Stock-based compensation expense Paid-in-Kind Interest Payable-in-kind interest on Credit Agreement Operating Lease, Right-of-Use Asset, Periodic Reduction Operating lease right-of-use assets Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities Increase (Decrease) in Accounts and Other Receivables Accounts receivable Increase (Decrease) in Inventories Inventory Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses, other current assets and other assets Increase (Decrease) in Other Accounts Payable and Accrued Liabilities Accounts payable, accrued expenses, due to related parties, and other current liabilities Increase (Decrease) in Interest Payable, Net Accrued interest Increase (Decrease) in Operating Lease Liability Operating lease liabilities Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net cash used in operating activities Net Cash Provided by (Used in) Financing Activities [Abstract] FINANCING CASH FLOW ACTIVITIES: Sale of Stock, Consideration Received on Transaction Net proceeds issuance of common stock Proceeds from issuance of common stock and warrants Repayments of Long-Term Debt Payment of principal of Long-term debt Payment of principal of Long-term debt Payments of Stock Issuance Costs Offering costs for common stock and warrants issuance Stock offering costs Payment, Tax Withholding, Share-Based Payment Arrangement Payment of employee tax obligations related to vesting restricted stock units Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Cash and cash equivalents, end of the period Cash and cash equivalents, beginning of the period Supplemental Cash Flow Information [Abstract] Supplemental cash flow information: No definition available. Nature of the Business Nature of Operations [Text Block] Nature of the Business Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Basis of Presentation Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Restructuring Restructuring and Related Activities Disclosure [Text Block] Restructuring Inventory Inventory Disclosure [Text Block] Inventory Property and Equipment, Net Property, Plant and Equipment Disclosure [Text Block] Property and Equipment, Net Accrued Expenses Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Accrued Expenses Transactions with BioXcel LLC Related Party Transactions Disclosure [Text Block] Transactions with BioXcel LLC Debt and Credit Facilities Debt Disclosure [Text Block] Debt and Credit Facilities Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Derivative Financial Instruments n/a Common Stock Financing Activities The entire disclosure for Financing Activities. Financing Activities Disclosure [Text Block] Common Stock Financing Activities Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Stock-Based Compensation Leases Lessee, Operating Leases [Text Block] Leases Fair Value Measurements Fair Value Disclosures [Text Block] Fair Value Measurements Net Loss Per Share Earnings Per Share [Text Block] Net Loss Per Share Commitments and Contingencies. Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Segment Information Segment Reporting Disclosure [Text Block] Segment Information Subsequent Events Subsequent Events [Text Block] Subsequent Events Use of Estimates, Policy [Policy Text Block] Use of Estimates New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Pronouncements Schedule of Inventory, Current [Table Text Block] Schedule of inventory Property, Plant and Equipment [Table Text Block] Schedule of Property and equipment, net Schedule of Accrued Liabilities [Table Text Block] Schedule of accrued expenses Schedule of Related Party Transactions [Table Text Block] Schedule of service charges Schedule of Long-Term Debt Instruments [Table Text Block] Schedule of debt Schedule of Maturities of Long-Term Debt [Table Text Block] Schedule of maturities on debt Tabular disclosure of interest expense associated with long-term debt. Schedule of Interest Expense Associated with Long Term Debt [Table Text Block] Schedule of interest expense Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Restricted Stock Units (RSUs) [Member] BTI RSU Restricted stock units Performance Shares [Member] BTI PSU Performance stock units Represents the information pertaining to OnkosXcel time based profit-sharing units Time Based Profit Sharing Units [Member] OnkosXcel PSU Share instrument associated with OnkosXcel, which is convertible to stock or an equivalent amount of cash, after a specified period of time or when specified performance conditions are met. Restricted Stock Units Onkosxcel [Member] OnkosXcel RSUs Stock options Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Stock-Based Compensation Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Schedule of activity relating to RSUs Share-Based Compensation Arrangements by Share-Based Payment Award, Performance-Based Units, Vested and Expected to Vest [Table Text Block] Schedule of activity relating to PSUs Share-Based Payment Arrangement, Option, Activity [Table Text Block] Schedule of stock option activity Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Valuation Assumptions Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Schedule of stock-based compensation charges Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Summary of maturities of the operating lease liability