Document and Entity Information Document Type Document Annual Report Document Period End Date Document Transition Report Entity 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 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 ICFR Auditor Attestation Flag Document Financial Statement Error Correction [Flag] Auditor Name Auditor Firm ID Auditor Location Entity Shell Company Entity Public Float Entity Common Stock, Shares Outstanding Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag CONSOLIDATED BALANCE SHEETS Statement [Table] Related Party, Type [Axis] Related Party, Type [Domain] Related Party Nonrelated Party Statement [Line Items] Statement Assets [Abstract] ASSETS Assets, Current [Abstract] Current assets Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Accounts receivable, net 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 Interest Payable, Current Accrued interest 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 operating lease liability Derivative Liability, Noncurrent Derivative liabilities Long-Term Debt, Excluding Current Maturities Long-term debt Long-term debt, net Liabilities Total liabilities Commitments and Contingencies. Commitments and contingencies (Note 18) 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 December 31, 2023 and December 31, 2022 Common Stock, Value, Issued Common stock, $0.001 par value, 100,000 shares authorized as of December 31, 2023 and December 31, 2022; 29,930 and 28,147 shares issued and outstanding as of December 31, 2023 and December 31, 2022, respectively Additional Paid in Capital. Additional paid-in-capital Retained Earnings (Accumulated Deficit) Accumulated deficit Stockholders' 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) 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 Selling, General and Administrative Expense Selling, general and administrative Restructuring Charges Restructuring costs Costs and Expenses Total operating expenses Operating Income (Loss) Loss from operations Interest Expense [Abstract] Other expense (income) Interest Expense Interest expense Total interest expense Interest income Interest income Other Nonoperating Income (Expense) Other (income) expense, net 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) CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' (DEFICIT) EQUITY Equity Components [Axis] Equity Component [Domain] Common stock Additional Paid in Capital Accumulated Deficit Adjustments to Additional Paid in Capital, Warrant Issued Issuance of stock purchase warrants 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) Stock Issued During Period, Value, New Issues Issuance of common stock, net of offering costs Stock Issued During Period, Shares, New Issues Number of shares issued Issuance of common stock, net of offering costs (in shares) Warrant, Down Round Feature, Increase (Decrease) in Equity, Amount Repricing of stock purchase warrants 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) CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities [Abstract] OPERATING CASH FLOW ACTIVITIES: Net Income (Loss) Attributable to Parent. Net loss Reconciliation of net loss to net cash (used in) provided by operating activities: 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 Change in Fair Value of Derivative Liabilities Change in fair value of derivative liabilities Share-based Compensation Stock-based compensation expense Paid-in-Kind Interest Payable-in-kind interest on Credit Agreement Payable-in-kind ("PIK") interest Gain (Loss) on Disposition of Property Plant Equipment Loss on disposal of equipment 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) Investing Activities [Abstract] INVESTING CASH FLOW ACTIVITIES: Payments to Acquire Property, Plant, and Equipment Purchases of equipment and leasehold improvements Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] FINANCING CASH FLOW ACTIVITIES: Proceeds from Issuance of Long-Term Debt Proceeds from long-term debt Payments of Debt Issuance Costs Debt issuance costs Proceeds from Issuance of Common Stock Gross proceeds issuance of common stock Proceeds from issuance of common stock Payments of Stock Issuance Costs Offering costs for common stock issuance Stock offering costs Payment, Tax Withholding, Share-Based Payment Arrangement Payment of employee tax obligations related to vesting restricted stock units Proceeds from Stock Options Exercised Exercise of stock options 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 decrease 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 Disclosures of Cash Flow Information Supplemental cash flow information: Fair Value Adjustment of Warrants Repricing of stock purchase warrants Interest Paid, Net Interest paid The total amount of accrued interest that is converted into long erm debt. Conversion Of Accrued Interest To Long-Term Debt Conversion of accrued interest to long-term debt 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 and Accrued Liabilities Disclosure [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 Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock-Based Compensation Leases Lessee, Operating Leases [Text Block] Leases Employee Benefit Plan Defined Benefit Plan [Text Block] Employee Benefit Plan Fair Value Measurements Fair Value Disclosures [Text Block] Fair Value Measurements Income Taxes Income Tax Disclosure [Text Block] Income Taxes 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 Subsequent Events Subsequent Events [Text Block] Subsequent Events Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Use of Estimates, Policy [Policy Text Block] Use of Estimates Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Accounts Receivable [Policy Text Block] Accounts Receivable, Net Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentrations of Credit Risk