Cover [Abstract] Statement [Table] Statement [Table] Class of Stock [Axis] Class of Stock [Domain] Common Stock Common stock warrant [Member] Statement [Line Items] Statement [Line Items] Document Type Document Type Document Annual Report Document Period End Date Document Period End Date Document Transition Report Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line Two 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 Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company ICFR Auditor Attestation Flag Entity Shell Company Entity Public Float Entity Common Stock, Shares Outstanding Auditor Name Auditor Firm ID Auditor Location Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag Amendment Flag CONSOLIDATED BALANCE SHEETS Assets [Abstract] ASSETS Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Total prepaid expenses and other current assets Assets, Current Total current assets Other Assets, Noncurrent Other assets Assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued and other current liabilities Total accrued and other current liabilities Accrued clinical site costs. Accrued clinical site costs Accrued clinical site costs Cash earnout liability Earnout Cash liability Convertible notes payable accrued interest. Convertible Notes Payable Accrued Interest Convertible note payable and accrued interest - short term Derivative Liability, Current Warrant liability Warrant liabilities Notes payable and accrued interest current. Notes payable and accrued interest current Note payable and accrued interest Liabilities, Current Total current liabilities Notes payable and accrued interest non current. Notes payable and accrued interest non current Convertible note payable and accrued interest - long term Liabilities Total liabilities Preferred Stock, Value, Issued Preferred stock, $0.001 par value, 50,000,000 shares authorized; 0 shares issued and outstanding at December 31, 2022 and December 31, 2021, respectively Common Stock, Value, Issued Common stock, $0.001 par value, 500,000,000 shares authorized; 66,442,989 and 58,810,550 shares issued and outstanding at December 31, 2022 and 2021, 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' equity Liabilities and Equity Total liabilities and stockholders' equity Preferred Stock, Par or Stated Value Per Share Preferred stock, par value Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares issued Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Number of shares outstanding Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Total shares of common stock immediately after Merger Common stock, shares outstanding CONSOLIDATED STATEMENTS OF OPERATIONS Operating Expenses [Abstract] Operating expenses: Research and Development Expense Research and development General and Administrative Expense General and administrative Settlement Expense Settlement Expense Additional settlement liability Settlement expense Expense Reimbursement Expense Reimbursement Reimbursement of expenses from Relief Therapeutics Operating Expenses Total operating expenses Operating Income (Loss) Loss from operations Nonoperating Income (Expense) [Abstract] Other (income) expenses: Gain (Loss) on Extinguishment of Debt Gain on extinguishment of debt Loss on settlement of accounts payable Interest Income, Other Interest income Interest Expense Interest expense The increase (decrease) in fair value of convertible debt during the period. Increase (Decrease) In Fair Value Of Convertible Debt Change in fair value of convertible note payable Change in fair value of convertible promissory note Derivative, Gain (Loss) on Derivative, Net Change in fair value of warrant liabilities Change in fair value of warrant liability Net Increase or Decrease in the fair value of the earn out liabilities included in earnings in the period. Gain (Loss) on Fair Value of Cash Earnout Liability Change in fair value of Earnout Cash liability Nonoperating Income (Expense) Total other (income) expenses Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Loss before tax Net Income (Loss) Attributable to Parent Net income (loss) Net loss The amount of deemed dividend due to modifications of warrants that is an adjustment to net income apportioned to common stockholders. Deemed Dividend, Warrants Deemed dividend Net Income (Loss) Available to Common Stockholders, Basic Net loss attributable to common stockholders Net earnings (loss) per share attributable to common stockholders: Net loss per share: Earnings Per Share, Basic Basic Earnings Per Share, Diluted Diluted n/a Net Earnings Per Share Basic And Diluted Abstract Net loss per share attributable to common stockholders: Income (Loss) from Continuing Operations, Per Basic Share Basic Income (Loss) from Continuing Operations, Per Diluted Share Diluted Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Basic Basic Weighted Average Number of Shares Outstanding, Diluted Diluted CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY Equity Components [Axis] Equity Component [Domain] Additional Paid-in Capital Accumulated Deficit Shares, Outstanding Ending balance ,shares Beginning balance ,shares Stock Issued During Period, Value, New Issues Common stock issued Aggregate purchase price Stock Issued During Period, Shares, New Issues Merger and PIPE Financing shares - common stock Common stock issued (in shares) Adjustments to Additional Paid in Capital, Warrant Issued Reclassification of settlement liability upon issuance of warrant Net impact to additional paid-in capital Equity impact of effect of merger and recapitalization, net of redemptions and issuance costs. Stock Repurchased during Period, Value, Merger and Recapitalization, Net of Redemptions and Issuance Costs Effect of Merger and recapitalization, net of redemptions and issuance costs Effect of Merger and recapitalization, net of redemptions and issuance costs Number of shares in reduction due to the effect of merger and recapitalization, net of redemptions and issuance costs. Stock Repurchased during Period, Shares, Merger and Recapitalization, Net of Redemptions and Issuance Costs Effect of Merger and recapitalization, net of redemptions and issuance costs (in shares) Number of new stock issued pursuant to Private investment in public equity (PIPE) financing during the period. Stock Issued During Period Shares New Issues From Private Investment In Equity Common stock issued pursuant to PIPE financing, net of issuance costs (in shares) Shares issued in PIPE Financing Equity impact of the value of new stock issued pursuant to Private investment in public equity (PIPE) financing during the period. Stock Issued During Period Value New Issues From Private Investment In Equity Common stock issued pursuant to PIPE financing, net of issuance costs Stock Issued During Period, Value, Acquisitions Common stock issued for advisor services Stock Issued During Period, Shares, Acquisitions Common stock issued for advisor services (in shares) Shares issued for services Amount of increase in additional paid in capital (APIC) resulting from the modification of stock options due to business combination. Adjustments to Additional Paid in Capital, Modifications of Stock Options Due to Business Combination Modification of option awards pursuant to Merger Amount of increase in additional paid in capital (APIC) resulting from the modification of warrants due to business combination. Adjustments to Additional Paid in Capital, Modifications of Warrant Issued Due to Business Combination Modification of warrants pursuant to Merger Represents the value of common stock and warrants issued in a private placement, net of issuance costs. Common Stock And Warrants Issued In Private Placement, Net Of Issuance Costs Common stock and warrants issued in private placement, net of issuance costs Represents the number of shares of common stock issued in a private placement of common stock and warrants. Common Stock And Warrants Issued In Private Placement, Number Of Shares Common stock and warrants issued in private placement, net of issuance costs (in shares) Stock Issued During Period, Value, Stock Options Exercised Issuance of common stock for exercise of warrants and Unit Purchase Options Number of shares issued upon exercise of warrants Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercised (in shares) Issuance of common stock for exercise of warrants and Unit Purchase Options (in shares) Number of shares issued upon exercise of warrants Represents the value of stock issued for payment of consulting services. Stock Issued For Payment Of Consulting Services Common stock issued for consulting services The number of shares of stock issued for payment of consulting services. Shares Of Stock Issued For Payment Of Consulting Services Common stock issued for consulting services (in shares) Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Restricted stock awards granted Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Restricted stock awards granted (in shares) Equity impact of the value of earn out stock retired during the period Earnout Stock Retired During Period, Value Equity impact of the shares of earn out stock retired during the period Earnout Stock Retired During Period, Shares APIC, Share-based Payment Arrangement, Option, Increase for Cost Recognition Stock-based compensation The amount of redemptions and issuance costs net. Net Of Redemptions And Issuance Costs Less: transaction costs and advisory fees allocated to NRXP equity Merger and recapitalization, redemptions and issuance costs The amount of financing, net of issuance costs. Financing, Net Of Issuance Costs PIPE financing, issuance costs Represents the issuance costs associated with a sale of stock and warrants. Sale Of Stock And Warrants, Issuance Costs Common stock and warrants issued in private placement, issuance costs CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities [Abstract] CASH FLOWS FROM OPERATING 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] Adjustments to reconcile net loss to net cash used in operating activities: Depreciation Depreciation expense Share-based Payment Arrangement, Noncash Expense Stock-based compensation Fair Value Adjustment of Warrants Change in fair value of warrant liabilities Change in fair value of the warrants Paid-in-Kind Interest Non-cash interest expense Noncash Settlement Expense. Noncash Settlement Expense Non-cash settlement expense Non cash consulting expense. Non Cash Consulting Expense Non-cash consulting expense Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Account receivable Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accrued expenses and other liabilities Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] CASH FLOWS FROM INVESTING ACTIVITIES Payments to Acquire Productive Assets Purchase of computer equipment Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] CASH FLOWS FROM FINANCING ACTIVITIES Proceeds from Convertible Debt Proceeds from convertible notes payable, net of discount Proceeds from Stock Options Exercised Proceeds from stock option exercise Proceeds from Warrant Exercises Proceeds from issuance of common stock for exercise of warrant Proceeds from exercise of warrant Proceeds from Issuance of Private Placement Effect of Merger, net of transaction costs Effect of merger on cash flows, net of redemption and transaction costs The cash inflow from the additional capital contribution to the entity and exercise of stock options. Proceeds from Issuance of Common Stock And Exercise Of Stock Options Proceeds from issuance of common stock and exercise of stock options, net of transaction costs Proceeds from Issuance of Common Stock Proceeds from issuance of common stock Proceeds from issuance of Common stock, net of transaction costs Proceeds from issuance of common stock, net of transaction costs Proceeds from (Repayments of) Notes Payable Repayment of note payable Represents net proceeds (payments) for issuance of common stock and warrants in a private placement, net of issuance costs. Net Proceeds From (Payments For) Issuance Of Common Stock And Warrants In Private Placement, Net Of Issuance Costs Proceeds from issuance of common stock and warrants issued in private placement, net of issuance costs The proceeds from, or repayments of, notes payable assumed in a merger transaction. Proceeds From (Repayments Of) Notes Payable Assumed In Merger Repayment of notes payable assumed in Merger Proceeds from (Repayments of) Related Party Debt Repayment of notes payable - related party 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), Excluding Exchange Rate Effect Net (decrease) increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Non-cash investing and financing activities Reclassification of settlement liability upon issuance of warrant. Reclassification of Settlement Liability Upon Issuance of Warrant Reclassification of settlement liability upon issuance of warrant Reclassifications of legacy warrants to warrant liability during the period. Reclassification Of Legacy Warrants To Warrant Liability Reclassification of legacy NeuroRx warrants to warrant liability Issuance of Common Stock Warrants as Offering Costs Issuance of Common Stock Warrants as Offering Costs Issuance of common stock warrants as offering costs Extinguishment of paycheck protection program loan. Extinguishment of Paycheck Protection Program Loan Extinguishment of Paycheck Protection Program Loan Stock Issued Issuance of common stock for consulting services Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Organization Liquidity [Abstract] Liquidity Liquidity [Text Block] Liquidity [Text Block] Liquidity Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Reverse Recapitalization Business Combination Disclosure [Text Block] Reverse Recapitalization Prepaid Expenses and Other Current Assets The entire disclosure of prepaid expenses and other current assets. Disclosure of Prepaid Expenses and Other Current Assets [Text Block] Prepaid Expenses and Other Current Assets Accrued and Other Current Liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Accrued and Other Current Liabilities Debt. Debt Disclosure [Text Block] Debt Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Equity Stockholders' Equity Note Disclosure [Text Block] Equity Stock-Based Compensation Share-based Payment Arrangement [Text Block] Stock-Based Compensation