Document And Entity Information
Dividend yield
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Note To Financial Statement Details Textual
Convertible note payable, net of current portion
Exercise price (in dollars per share)
Significant Accounting Policies
Note 3 - Summary of Significant Accounting Policies
Note 4 - Prepaid Expenses and Other Current Assets
Risk-free rate of interest
nrxp_PaymentForLicenseAgreementMaintenanceFee
Payment for License Agreement, Maintenance Fee
The amount of cash paid for license agreement maintenance fee during the current period.
Note 5 - Accrued and Other Current Liabilities
Note 7 - Debt
Hope Therapeutics, Inc. [Member]
Pertains to Hope Therapeutics, Inc.
Note 8 - Commitments and Contingencies
Note 9 - Equity
Note 10 - Stock-based Compensation
Note 11 - Fair Value Measurements
Income Tax Disclosure [Text Block]
Note 12 - Segment Reporting
Refund liability (see Note 6)
Customer Refund Liability, Current
Consideration Warrants [Member]
Pertains to consideration warrants.
Note 13 - Income Taxes
Note 3 - Summary of Significant Accounting Policies - Schedule of Antidilutive Securities (Details)
Expected stock price volatility
nrxp_EffectiveIncomeTaxRateReconciliationTaxCreditExpenseResearchPercent
R&D credit
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax (credit) expense.
Note 4 - Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expense and Other Current Assets (Details)
nrxp_ClassOfWarrantOrRightExercisePricePercentageOfClosingPrice
Class of Warrant or Right, Exercise Price, Percentage of Closing Price
Pertains to percentage of closing price.
us-gaap_LiabilitiesCurrent
Total current liabilities
Note 5 - Accrued and Other Current Liabilities - Schedule of Accrued and Other Current Liabilities (Details)
Note 7 - Debt - Schedule of Convertible Debt (Details)
Note 8 - Commitments and Contingencies - Schedule of Milestone Payments (Details)
Convertible Debt [Table Text Block]
Note 9 - Equity - Schedule of Warrants (Details)
Note 10 - Stock-based Compensation - Schedule of Stock Options, Valuation Assumptions (Details)
Expected term (years) (Year)
Note 10 - Stock-based Compensation - Schedule of Stock Options (Details)
Note 10 - Stock-based Compensation - Schedule of Restricted Stock Awards (Details)
Note 10 - Stock-based Compensation - Schedule of Stock-based compensation (Details)
Note 11 - Fair Value Measurements - Schedule of Assets and Liabilities on A Recurring Basis (Details)
Note 11 - Fair Value Measurements - Schedule of Significant Inputs (Details)
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Note 11 - Fair Value Measurements - Schedule of Level 3 Fair Value Changes (Details)
Note 12 - Segment Reporting - Reconciliation of Loss From Operations to Total Loss (Details)
Note 12 - Segment Reporting - Long-lived Assets (Details)
Note 13 - Income Taxes - Schedule of Tax Rate Reconciliation (Details)
us-gaap_LitigationSettlementAmountAwardedToOtherParty
Litigation Settlement, Amount Awarded to Other Party
Note 13 - Income Taxes - Schedule of Income Tax Expense (Benefit) Components (Details)
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Note 13 - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details)
Notes To Financial Statements
Risks and Uncertainties [Policy Text Block]
The disclosure of the entity's policy regarding risks and uncertainties.
Granted, weighted average grant date fair value (in dollars per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)
Notes To Financial Statements [Abstract]
Common Stock and Warrant Issuance [Member]
Relating to common stock and warrant issuance.
Vested, weighted average grant date fair value (in dollars per share)
Warrant liabilities
Forfeited, weighted average grant date fair value (in dollars per share)
Prepaid Expenses and Other Current Assets [Text Block]
The entire disclosure regarding prepaid expenses and other current assets.
Unvested, weighted average grant date fair value (in dollars per share)
Settlement (income) expense
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Forfeited (in shares)
ATM Offering [Member]
Relating to ATM offering.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Balance (unvested) (in shares)
Balance (unvested) (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)
Warrants [Member]
Relating to warrants.
nrxp_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodGrantDateFairValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Grant Date Fair Value
The fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Vested (in shares)
Options vested and exercisable (in shares)
Nonvested Restricted Stock Shares Activity [Table Text Block]
Options vested and exercisable, weighted average exercise price (in dollars per share)
Options vested and exercisable, aggregate intrinsic value
nrxp_LicenseAgreementAcceleratingPayment
License Agreement, Accelerating Payment
Represents the accelerating payment of a license agreement during the period.
us-gaap_ProceedsFromDebtNetOfIssuanceCosts
Proceeds from Debt, Net of Issuance Costs
nrxp_LicenseAgreementInitialPayment
License Agreement, Initial Payment
Represents the initial payment of a license agreement.
Insurance loan payable
Milestone payment
License Agreement, Milestone Payment
Represents the milestone payment for a license agreement.
Convertible note payable - current portion
Convertible note payable and accrued interest – short term
nrxp_DebtInstrumentRedemptionAmount
Debt Instrument, Redemption Amount
Represents the redemption amount of a debt instrument.
Outstanding, weighted average remaining contractual term (Year)
Alvogen and Lotus Warrants [Member]
Relating to Alvogen and Lotus warrants.
Outstanding, aggregate intrinsic value
Alvogen Licensing Agreement [Member]
Relating to Alvogen licensing agreement.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)
nrxp_DebtInstrumentPrepaymentPercentage
Debt Instrument, Prepayment Percentage
Represents the prepayment percentage on a debt instrument.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price (in dollars per share)
Outstanding, weighted average exercise price (in dollars per share)
Outstanding, weighted average exercise price (in dollars per share)
Convertible note payable - current portion
Carrying value of the Note before current period change in fair value
nrxp_LongtermDebtTotal
Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.
Loss on Conversion of Note
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to loss on conversion of debt.
Forfeited/Expire, weighted average exercise price (in dollars per share)
nrxp_DebtInstrumentConvertibleMaximumPercentageOfEquityIssuable
Debt Instrument, Convertible, Maximum Percentage of Equity Issuable
Represents the maximum amount of equity issuable issuable by converting a a debt instrument.
Options granted, weighted average exercise price (in dollars per share)
nrxp_DebtInstrumentConditionalDefaultInterestRate
Debt Instrument, Conditional Default Interest Rate
Represents the interest rate of debt instrument in the event of a default.
nrxp_DebtInstrumentRedemptionConversionPricePercentage
Debt Instrument, Redemption Conversion Price, Percentage
Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.
nrxp_GainLossOnConvertibleDebtRedemption
Gain (Loss) on Convertible Debt Redemption
Loss on convertible note redemptions
The amount of gain (loss) on convertible debt redemption.
Employee costs
us-gaap_ForeignCurrencyExchangeRateRemeasurement1
Foreign Currency Exchange Rate, Remeasurement
nrxp_ConsultingAgreementAnnualPayment
Consulting Agreement, Annual Payment
Represents the annual payment of a consulting agreement.
nrxp_ConsultingAgreementPerformanceBonusTargetValue
Consulting Agreement, Performance Bonus, Target Value
Represents the target performance value of a bonus on a consulting agreement.
nrxp_ConsultingAgreementMonthlyPayment
Consulting Agreement, Monthly Payment
Represents the monthly payment of a consulting agreement.
Accounts payable
Accounts Payable, Current
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)
Outstanding, balance (in shares)
Outstanding, balance (in shares)
Unrestricted Upon New Drug Approval Date [member]
Relating to unrestricted upon New Drug Approval Date.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares)
Unrestricted Upon New Drug Application Date [Member]
Relating to unrestricted upon New Drug Application Date.
Streetervile Complaint [Member]
Relating to the Streeterville Complaint.
Expense for debt issuance costs due to fair value election on Anson Notes
Debt Issuance Costs
The cash outflow related to the issuance of debt.
us-gaap_AccruedBonusesCurrent
Accrued Bonuses, Current
nrxp_SharebasedCompensationArrangementBySharebasedPaymentAwardAnnualPercentageIncreaseInAuthorizedShares
Share-Based Compensation Arrangement by Share-Based Payment Award, Annual Percentage Increase in Authorized Shares
Represents the annual percentage increase in authorized shares for a share based compensation arrangement.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
Forfeited/Expire (in shares)
Other accrued expense
us-gaap_PolicyTextBlockAbstract
Accounting Policies
Neuro Rx [Member]
Relating to Neuro Rx.
nrxp_DebtInstrumentNumberOfTranches
Debt Instrument, Number of Tranches
The number of tranches to be received as part of a purchase agreement.
Products Covered By Licensed Patents [Member]
Relating to products covered by licensed patents.
Sarah Herzog Memorial Hospital License Agreement [Member]
Relating to Sarah Herzog Memorial Hospital License Agreement.
Exclusive License Agreement [Member]
Relating to an exclusive license agreement.
Products Covered by Valid Claims [Member]
Relating to products covered by valid claims.
nrxp_LicenseAgreementsMilestonePaymentsConditionalReductionPercentage
License Agreements, Milestone Payments, Conditional Reduction Percentage
Represents the conditional reduction percentage for milestone payments.
us-gaap_PaymentsToAcquireProductiveAssets
Purchase of computer equipment
Reclassification of AOCI upon settlement of Streeterville Note
Amount of reclassification adjustments of other comprehensive income (loss) upon settlement of convertible debt.
nrxp_LicenseAgreementMaintenanceFee
License Agreement, Maintenance Fee
Represents the maintenance fee on a license agreement.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)
Issuance of common stock for settlement of accrued liability
Professional services
nrxp_RoyaltyPercentage
Royalty Percentage
Represents the percentage of revenue that a royalty is paid on.
Interest Repayment [Member]
Represents interest repayment.
Schedule of Milestone Payments [Table Text Block]
Tabular disclosure of milestone payments.
Principal Repayment [Member]
Represents principal repayment.
End of Phase II Clinical Trials of Licensed Product [Member]
Relating to End of Phase II Clinical Trials of Licensed Product.
End of Phase I Clinical Trials of Licensed Product [Member]
Relating to End of Phase I Clinical Trials of Licensed Product.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized (in shares)
Conversion of Series A Preferred Stock to Preferred Stock [Member]
Relating to the conversion of Series A convertible preferred stock to preferred stock.
Non-cash investing and financing activities
Reverse Stock Split [Member]
Relating to a reverse stock split.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)
nrxp_PlacementAgentFeePercentOfGrossProceeds
Placement Agent Fee, Percent of Gross Proceeds
The fee paid to the placement agent expressed as a percentage of gross proceeds.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)
First Commercial Sale of Licensed Product in U.S. [Member]
Relating to First Commercial Sale of Licensed Product in U.S.
Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]
End of Phase III Clinical Trials of Licensed Product [Member]
Relating to End of Phase III Clinical Trials of Licensed Product.
Cash paid for taxes
Annual Revenue Threshold [Member]
Relating to when annual revenues pass a certain threshold.
First Commercial Sale of Licensed Product in Europe [Member]
Relating to First Commercial Sale of Licensed Product in Europe.
LIABILITIES AND STOCKHOLDERS’ DEFICIT
Weighted average common shares outstanding:
Vesting [Axis]
Vesting [Domain]
us-gaap_Assets
Total assets
Supplemental disclosure of cash flow information:
nrxp_ClassOfWarrantOrRightExercisedDuringPeriod
Class of Warrant or Right, Exercised During Period (in shares)
The number of warrants or rights exercised during period.
Plan Name [Axis]
Plan Name [Domain]
us-gaap_OperatingLeaseExpense
Operating Lease, Expense
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)
us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Net loss attributable to common stockholders
February Overallotment Option [Member]
Relating to the February Over-allotment Option.
February Underwriting Agreement [Member]
Relating to the February Underwriting Agreement.
Public Warrants [Member]
Relating to public warrants.
Streeterville Convertible Note [Member]
Represents the Streeterville Convertible Note.
Substitute Warrants [Member]
Relating to substitute warrants.
Lease Contractual Term, Office Space, Rental [Member]
Pertains to the type lease arrangement.
nrxp_PrivatePlacementPremiumPercentage
Private Placement, Premium Percentage
Represents the premium percentage on a private placement.
Patent License [Member]
Pertains to the type of expense.
Anson Warrants Tranche One [Member]
Represents the Anson Warrants issued in Tranche One.
February Warrants [Member]
Relating to February warrants.
nrxp_ClassOfWarrantsOrRightsWeightedAverageExercisePrice
Outstanding, weighted average exercise price (in dollars per share)
Outstanding, weighted average exercise price (in dollars per share)
Represents the weighted average exercise price for warrants or rights.
Outstanding, weighted average remaining contractual term (Year)
nrxp_ClassOfWarrantOrRightWeightedAverageRemainingTerm
Represents the weighted average remaining term for warrants or rights.
us-gaap_LossContingencyDamagesSoughtValue
Loss Contingency, Damages Sought, Value
Issued (in shares)
nrxp_ClassOfWarrantOrRightIssuedDuringPeriod
Class of Warrant or Right, Issued During Period (in shares)
Represents the number of warrants or rights issued during the period.
Outstanding, aggregate intrinsic value
nrxp_ClassOfWarrantsOrRightsAggregateIntrinsicValue
Represents the aggregate intrinsic value of warrants or rights.
February Underwriter Warrants [Member]
Relating to the February underwriter warrants.
Share Subscription Facility Agreement - GEM [Member]
Relating to the Share Subscription Facility Agreement - GEM.
Private Placement Warrants [Member]
Relating to private placement warrants.
Share-Based Payment Arrangement [Text Block]
nrxp_ClassOfWarrantOrRightBeneficialOwnershipLimitation
Class of Warrant or Right, Beneficial Ownership Limitation
Represents the beneficial ownership limitation on warrants or rights.
Underwriter Overallotment Warrants [Member]
Relating to the underwriter over-allotment warrants.
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
April Overallotment Agreement [Member]
Relating to the April Over-Allotment Agreement.
April Underwriter Agreement [Member]
Relating to the April Underwriter Agreement.
Expired (in shares)
nrxp_ClassOfWarrantOrRightExpiredDuringPeriod
Represents the number of warrants or rights expired during the period.
October Amended Warrants [Member]
Pertains to the October Amended Warrants.
Conversion of Principal and Interest Into Common Stock [Member]
Relating to the conversion of principal and interest into common stock.
Award Type [Domain]
nrxp_DebtInstrumentOriginalIssuanceDiscount
Debt Instrument, Original Issuance Discount
Amount of original issuance discount expressed as a percentage.
nrxp_DebtInstrumentInterestRateInEventOfDefault
Debt Instrument, Interest Rate in Event of Default
Contractual interest rate for funds borrowed, under the debt agreement, in the event of default.
nrxp_ClassOfWarrantOrRightSecuritiesCalledByWarrantsOrRightsPercentageOfPrincipalDividedByVwap
Class of Warrant or Right, Securities Called by Warrants or Rights, Percentage of Principal Divided by VWAP
The number of securities into which the class of warrant or right may be converted expressed as a percentage of the principal amount of the notes divided by the WVAP of the Company's common stock.
April Underwriter Warrants [Member]
Relating to the April Underwriter Warrants.
Anson [Member]
Represents Anson Investment Master Fund LP and Anson East Master Fund LP.
nrxp_ClassOfWarrantOrRightPercentOfOfferingCalledByWarrantsOrRights
Class of Warrant Or Right, Percent of Offering Called by Warrants or Rights
Represents the percentage of offering called by warrants or rights.
Anson First Tranche Notes [Member]
Represents the Anson First Tranche Notes.
Cumulative fair value adjustments through earnings
Change in fair value of convertible note payable
Represents the fair value adjustment of convertible debt.
Anson Warrants [Member]
Represents the Anson Warrants.
Award Type [Axis]
Net loss
Net loss
Anson Convertible Notes [Member]
Represents the Anson Convertible Notes.
nrxp_DebtInstrumentFaceAmountIndividualTranches
Debt Instrument, Face Amount, Individual Tranches
Face (par) amount of debt instrument's individual tranches at time of issuance.
Accrued and other current liabilities
Total accrued and other current liabilities
Amount of expenses incurred but not yet paid nor invoiced within one operating cycle, and liabilities classified as other.
Anson Second Tranche Notes [Member]
Represents the Anson Second Tranche Notes.
Anson Warrants Tranche Two [Member]
Represents Anson Warrants Tranche Two.
Restricted Stock [Member]
Issuance of common stock warrants as offering costs
The fair value of stock issued in noncash financing activities for offering costs.
August Investor Warrants [Member]
Represents August Investor Warrants.
Convertible Debt Securities [Member]
Share-Based Payment Arrangement, Option [Member]
Warrant [Member]
Initial recognition of issuance of warrants
The initial recognition of the fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
Streeterville Convertible Note Amendment 3 [Member]
Represents Amendment 3 of the Streeterville Convertible Note.
June Placement Agent Warrants [Member]
Represents June Placement Agent Warrants.
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Antidilutive Securities [Axis]
Warrant Amendment Agreement [Member]
Represents the Warrant Amendment Agreement.
Antidilutive Securities, Name [Domain]
Streeterville Convertible Note Amendment 2 [Member]
Represents Amendment 2 of the Streeterville Convertible Note.
Commitments and Contingencies Disclosure [Text Block]
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Accumulated depreciation
us-gaap_PropertyPlantAndEquipmentNet
Total equipment
Warrant Amendment, June Investor Warrants [Member]
Information pertaining to the Warrant Amendment Agreement.
Computers, cost
Long-Term Debt, Type [Axis]
Long-Term Debt, Type [Domain]
H.C. Wainwright & Co., LLC. [Member]
Named other party that participates in a financial transaction. Examples include, but not limited to, the name of the financial institution.
nrxp_ClassOfWarrantOrRightExercisesInPeriod
Class of Warrant or Right, Exercises in Period (in shares)
Number of warrants exercised during the current period.
Conversions and repayments of principal and interest (shares)
Amount of conversion to shares of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
CASH FLOWS FROM INVESTING ACTIVITIES
Net loss per share:
us-gaap_DeferredFinanceCostsGross
Debt Issuance Costs, Gross
us-gaap_RelatedPartyTransactionAmountsOfTransaction
Related Party Transaction, Amounts of Transaction
Related Party Transactions Disclosure [Text Block]
us-gaap_IncomeTaxExpenseBenefit
Income Tax Expense (Benefit)
Total
March 2023 Purchase Agreement [Member]
Represents the securities purchase agreement with the March Investors entered into on March 8, 2023.
nrxp_LetterAgreementPercentageOfCashFeePaid
Letter Agreement, Percentage of Cash Fee Paid
Percentage of cash fee paid under the letter agreement.
Accounts payable
us-gaap_IncreaseDecreaseInAccountsPayable
April Underwriter Overallotment Warrants [Member]
Represents the April underwriter overallotment warrants.
us-gaap_DebtInstrumentRedemptionPricePercentage
Debt Instrument, Redemption Price, Percentage
June 2023 Purchase Agreement [Member]
Represents the securities purchase agreement entered into on June 6, 2023.
us-gaap_OperatingExpenses
Total operating expenses
us-gaap_DebtInstrumentTerm
Debt Instrument, Term (Month)
General and administrative
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
us-gaap_DebtInstrumentConvertibleThresholdTradingDays
Debt Instrument, Convertible, Threshold Trading Days
Interest expense
Fair value adjustment through accumulated other comprehensive loss
us-gaap_DebtInstrumentConvertibleConversionPrice1
Debt Instrument, Convertible, Conversion Price (in dollars per share)
Stock-based compensation expense
us-gaap_AllocatedShareBasedCompensationExpense
Share-Based Payment Arrangement, Expense
us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger
Fair value adjustment through earnings
Amendment Flag
nrxp_SaleOfStockConsiderationCommitmentAmount
Sale Of Stock Consideration, Commitment Amount
Cash committed for the stock transaction.
Comprehensive loss:
nrxp_SaleOfStockConsiderationAdditionalCommitmentAmount
Sale Of Stock Consideration, Additional Commitment Amount
The additional commitment amount for the stock transaction.
us-gaap_ComprehensiveIncomeNetOfTax
Comprehensive loss
City Area Code
Use of Estimates, Policy [Policy Text Block]
us-gaap_DebtInstrumentPeriodicPayment
Debt Instrument, Periodic Payment
New Accounting Pronouncements, Policy [Policy Text Block]
Measurement Input Cost of Debt [Member]
Measurement input using the cost of debt.
nrxp_LicenseAgreementCumulativePayments
License Agreement, Cumulative Payments
The cumulative amount paid for the licensing agreement.
Accrued expenses and other liabilities
Issuance of shares related to reverse stock split (in shares)
Stock Issued During Period, Shares, Reverse Stock Splits (in shares)
us-gaap_SharesOutstanding
Balance (in shares)
Balance (in shares)
Common stock, outstanding (in shares)
Preferred stock, outstanding (in shares)
Preferred Stock, Shares Outstanding (in shares)
Current Fiscal Year End Date
us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt Instrument, Interest Rate, Stated Percentage
us-gaap_DebtInstrumentInterestRateEffectivePercentage
Debt Instrument, Interest Rate, Effective Percentage
us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Prepaid expenses and other assets
Document Fiscal Period Focus
Document Fiscal Year Focus
Document Period End Date
Entity File Number
Entity Emerging Growth Company
Par value of the Note
us-gaap_DebtInstrumentFaceAmount
Debt Instrument, Face Amount
Document Type
Interim Period, Costs Not Allocable [Domain]
Entity Small Business
us-gaap_GainLossRelatedToLitigationSettlement
Gain (Loss) from Litigation Settlement
Entity Shell Company
Document Information [Line Items]
Document Information [Table]
Nature of Expense [Axis]
us-gaap_InvestmentOwnedPercentOfNetAssets
Investment Owned, Net Assets, Percentage
us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Balance
Balance
Entity Public Float
Conversions and repayments of principal and interest (cash)
Entity Filer Category
Debt Instrument [Axis]
Entity Current Reporting Status
Debt Instrument, Name [Domain]
Entity Voluntary Filers
Entity Well-known Seasoned Issuer
us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued
Adjustments to Additional Paid in Capital, Warrant Issued
Stock-based compensation
Entity Tax Identification Number
Entity Central Index Key
Entity Registrant Name
Liability Class [Axis]
Fair Value by Liability Class [Domain]
Entity [Domain]
Legal Entity [Axis]
Entity Address, Address Line One
Offering costs
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
ecd_NonRule10b51ArrTrmntdFlag
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Entity Address, City or Town
ecd_Rule10b51ArrTrmntdFlag
Rule 10b5-1 Arrangement Terminated [Flag]
ecd_Rule10b51ArrAdoptedFlag
Rule 10b5-1 Arrangement Adopted [Flag]
Entity Address, Postal Zip Code
Entity Address, State or Province
ecd_NonRule10b51ArrAdoptedFlag
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Material Terms of Trading Arrangement [Text Block]
Entity Common Stock, Shares Outstanding
Trading Arrangements, by Individual [Table]
Shares issued as repayment of principal and interest for convertible note (in shares)
Trading Symbol
Shares issued as repayment of principal and interest for convertible note
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Conversion of Series A preferred stock into common stock
Conversion of Series A preferred stock into common stock
us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
Stock Issued During Period, Shares, Conversion of Convertible Securities (in shares)
Conversion of Series A preferred stock into common stock (in shares)
Local Phone Number
us-gaap_TableTextBlock
Notes Tables
Vesting of restricted stock awards (in shares)
Vesting of restricted stock awards
Related and Nonrelated Parties [Axis]
Related and Nonrelated Parties [Domain]
us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture (in shares)
Options granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)
Warrant measurement input
Warrants and Rights Outstanding, Measurement Input
us-gaap_WarrantsAndRightsOutstandingTerm
Warrants and Rights Outstanding, Term (Year)
nrxp_DebtInstrumentConversionsAndRepaymentsOfDebt
Conversions and repayments of principal and interest (shares and cash)
Amount of noncash and cash outflow for short-term and long-term debt. Excludes payment of lease obligation.
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Stock issuances, net (in shares)
Stock Issued During Period, Shares, New Issues (in shares)
Common stock issued in exchange for services
us-gaap_StockIssuedDuringPeriodValueIssuedForServices
Stock Issued During Period, Value, Issued for Services
Common stock issued in exchange for services (in shares)
us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
Stock Issued During Period, Shares, Issued for Services (in shares)
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and stockholders' deficit
us-gaap_CashUninsuredAmount
Cash, Uninsured Amount
Stock issuances, net
Stock Issued During Period, Value, New Issues
Related Party Transaction [Axis]
Related Party Transaction [Domain]
Research and development
Research and Development Expense
Accumulated deficit
Accumulated other comprehensive loss
Money Market Funds [Member]
Measurement Input, Share Price [Member]
Cash and Cash Equivalents [Axis]
Debt Disclosure [Text Block]
Cash and Cash Equivalents [Domain]
us-gaap_InterestExpenseDebt
Interest Expense, Debt
Measurement Input, Price Volatility [Member]
Increases (decreases) in operating assets and liabilities:
Measurement Input, Risk Free Interest Rate [Member]
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
Substantial Doubt about Going Concern [Text Block]
Subsequent Event [Member]
Measurement Input, Expected Dividend Rate [Member]
Measurement Input, Expected Term [Member]
Subsequent Event Type [Axis]
Measurement Input, Exercise Price [Member]
Subsequent Event Type [Domain]
Measurement input
Subsequent Events [Text Block]
Measurement Input Type [Axis]
Measurement Input Type [Domain]
Fair Value of Financial Instruments, Policy [Policy Text Block]
Segment Reporting, Policy [Policy Text Block]
Common stock issued in exchange for services
Change in fair value of warrant liabilities
Fair Value Adjustment of Warrants
Issuance of common stock as principal and interest repayment for convertible notes
Debt Conversion, Converted Instrument, Amount
Other assets
Stock-based compensation
us-gaap_ShareBasedCompensation
us-gaap_DebtConversionConvertedInstrumentSharesIssued1
Debt Conversion, Converted Instrument, Shares Issued (in shares)
Earnings Per Share, Policy [Policy Text Block]
us-gaap_DebtConversionOriginalDebtAmount1
Debt Conversion, Original Debt, Amount
Debt Conversion Description [Axis]
Debt Conversion, Name [Domain]
Operating expenses:
Income Tax, Policy [Policy Text Block]
us-gaap_LiabilitiesFairValueAdjustment
Liabilities, Fair Value Adjustment
Research and Development Expense, Policy [Policy Text Block]
Conversion of Series A preferred stock into common stock
us-gaap_ConversionOfStockAmountConverted1
Depreciation expense
us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
Stockholders' Equity Note, Stock Split, Conversion Ratio
us-gaap_ConversionOfStockSharesIssued1
Conversion of Stock, Shares Issued (in shares)
Preferred stock and warrants issued, net
us-gaap_ConversionOfStockSharesConverted1
Conversion of Stock, Shares Converted (in shares)
Conversion of Series A preferred stock (in shares)
us-gaap_SharesIssuedPricePerShare
Shares Issued, Price Per Share (in dollars per share)
us-gaap_RedemptionPremium
Redemption Premium
Stock Conversion Description [Axis]
Conversion of Stock, Name [Domain]
us-gaap_AssetsCurrent
Total current assets
Money Market Account
Share-Based Payment Arrangement [Policy Text Block]
Equity [Text Block]
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
Common stock, $0.001 par value, 500,000,000 shares authorized; 14,591,505 and 8,391,956 shares issued and outstanding at December 31, 2024 and 2023, respectively
us-gaap_InvestmentOwnedAtFairValue
Investment Owned, Fair Value
Measurement Frequency [Axis]
Adjustments to reconcile net loss to net cash used in operating activities:
Measurement Frequency [Domain]
Fair Value, Recurring [Member]
Common stock, authorized (in shares)
Common Stock, Shares Authorized (in shares)
Common stock, issued (in shares)
Common Stock, Shares, Issued (in shares)
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share (in dollars per share)
Stockholders' Equity, Policy [Policy Text Block]
Revenue from Contract with Customer [Policy Text Block]
us-gaap_DeferredTaxAssetsValuationAllowance
Deferred Tax Assets, Valuation Allowance
Valuation allowance
Statistical Measurement [Domain]
Maximum [Member]
Minimum [Member]
us-gaap_PaymentsForRoyalties
Payments for Royalties
Ownership [Domain]
us-gaap_PaymentsForLegalSettlements
Payments for Legal Settlements
Product and Service [Axis]
Product and Service [Domain]
Statistical Measurement [Axis]
Deferred Charges, Policy [Policy Text Block]
Litigation Case [Axis]
Litigation Case [Domain]
Debt, Policy [Policy Text Block]
Ownership [Axis]
Preferred stock
us-gaap_DeferredTaxAssetsLiabilitiesNet
Deferred tax assets, net of allowance
Preferred stock, issued (in shares)
Preferred Stock, Shares Issued (in shares)
Cash paid for interest
Other prepaid expense
Other
us-gaap_DeferredTaxAssetsOther
Preferred stock, authorized (in shares)
Preferred Stock, Shares Authorized (in shares)
Portion at Fair Value Measurement [Member]
Preferred stock, par value (in dollars per share)
Preferred Stock, Par or Stated Value Per Share (in dollars per share)
Estimate of Fair Value Measurement [Member]
Prepaid insurance
us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax
Revenue from Contract with Customer, Including Assessed Tax
Measurement Basis [Axis]
Fair Value, Inputs, Level 3 [Member]
Common stock warrants
Fair Value Hierarchy and NAV [Domain]
Fair Value, Inputs, Level 1 [Member]
Reconciliation of Assets from Segment to Consolidated [Table Text Block]
Depreciation, assets
Fair Value Hierarchy and NAV [Axis]
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]
Bonus and severance accrual
CASH FLOWS FROM OPERATING ACTIVITIES:
us-gaap_WarrantsAndRightsOutstanding
Warrants and Rights Outstanding
Statement [Line Items]
us-gaap_NumberOfOperatingSegments
Number of Operating Segments
us-gaap_NumberOfReportableSegments
Number of Reportable Segments
Additional paid-in capital
Stock-based compensation
us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
AOCI Attributable to Parent [Member]
nrxp_StockSubscriptionsReceivableWriteOff
Stock Subscriptions Receivable, Write Off
Write off amount of stock subscriptions receivable during a period of time.
us-gaap_NonoperatingIncomeExpense
Total other expenses, net
Long-Lived Tangible Asset [Axis]
Segment Reporting Disclosure [Text Block]
Long-Lived Tangible Asset [Domain]
Net operating loss carryforwards
Chief Executive Officer [Member]
nrxp_LitigationSettlementPaymentInstallmentTwo
Litigation Settlement, Payment Installment Two
Amount of payment installment two for litigation settlement.
nrxp_LitigationSettlementPaymentInstallmentOne
Litigation Settlement, Payment Installment One
Amount of payment installment one for litigation settlement.
Fair Value Disclosures [Text Block]
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
Cash and cash equivalents at beginning of year
Cash and cash equivalents at end of year
ASSETS
Private Placement [Member]
Interest income
Interest income
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
Net decrease in cash and cash equivalents
us-gaap_Liabilities
Total liabilities
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash provided by financing activities
Commitments and Contingencies (Note 8)
Sale of Stock [Axis]
Sale of Stock [Domain]
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
Loss from operations
Loss from operations
Other (income) expenses:
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash used in operating activities
Prepaid expenses and other current assets
Total prepaid expense and other current assets
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash used in investing activities
Counterparty Name [Axis]
Counterparty Name [Domain]
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
Derivatives, Policy [Policy Text Block]
Consolidation Items [Domain]
Consolidation Items [Axis]
Consolidated Entities [Axis]
Consolidated Entities [Domain]
us-gaap_PaymentsOfStockIssuanceCosts
Payments of Stock Issuance Costs
Concentration Risk, Credit Risk, Policy [Policy Text Block]
us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment
Depreciation, liabilities
us-gaap_ProceedsFromIssuanceOrSaleOfEquity
Proceeds from Issuance or Sale of Equity
Change in Valuation Allowance
us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability
Proceeds from issuance of common stock and warrants issued in private placement, net of issuance costs
Proceeds from Issuance of Private Placement
Retained Earnings [Member]
us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Revenue from Contract with Customer, Excluding Assessed Tax
us-gaap_ProceedsFromIssuanceOfCommonStock
Proceeds from Issuance of Common Stock
Title and Position [Domain]
Current
us-gaap_CurrentStateAndLocalTaxExpenseBenefit
Title and Position [Axis]
Deferred
us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
us-gaap_CurrentForeignTaxExpenseBenefit
Current
us-gaap_DeferredForeignIncomeTaxExpenseBenefit
Deferred
Additional Paid-in Capital [Member]
Proceeds from issuance of Series A preferred stock and warrants issued in private placement, net of issuance costs
Common Stock [Member]
Current
Preferred Stock [Member]
Deferred
us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued
Income Tax Examination, Penalties and Interest Accrued
Equity Components [Axis]
Equity Component [Domain]
us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense
Income Tax Examination, Penalties and Interest Expense
Proceeds from issuance of insurance loan
The cash inflow from insurance loans.
Carrying value of the Anson Notes before current period change in fair value
us-gaap_LongTermDebt
us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)
Class of Warrant or Right [Axis]
Conversion of Debt to Common Stock [Member]
Represents the conversion of debt.
Class of Warrant or Right [Domain]
us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)
us-gaap_ClassOfWarrantOrRightOutstanding
Class of Warrant or Right, Outstanding (in shares)
Outstanding, balance (in shares)
Outstanding, balance (in shares)
Proceeds from liability classified warrants
Total carrying value of Note
us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)
ICFR Auditor Attestation Flag
us-gaap_PaymentsOfDebtIssuanceCosts
Expense for debt issuance costs due to fair value election on Anson Notes
nrxp_DeferredTaxAssetsLiabilitiesGross
Deferred Tax Assets (Liabilities), Gross
Amount before allocation of valuation allowances of deferred tax assets (liabilities) attributable to deductible temporary differences and carryforwards.
State and Local Jurisdiction [Member]
Income Tax Jurisdiction [Axis]
Income Tax Jurisdiction [Domain]
Domestic Tax Jurisdiction [Member]
174 capitalization
Amount of deferred tax asset attributable to taxable temporary differences from research and development costs.
Document Annual Report
us-gaap_RepaymentsOfConvertibleDebt
Repayment of convertible note
Computer Equipment [Member]
Cash and Cash Equivalents, Policy [Policy Text Block]
us-gaap_DebtInstrumentUnamortizedDiscount
Debt Instrument, Unamortized Discount
Unamortized original issue discount
Entity Incorporation, State or Country Code
us-gaap_DebtInstrumentCarryingAmount
Long-Term Debt, Gross
General and Administrative Expense [Member]
Accounting Policies [Abstract]
Significant Accounting Policies [Text Block]
Document Transition Report
Document Financial Statement Error Correction [Flag]
Basis of Accounting, Policy [Policy Text Block]
Entity Interactive Data Current
Related Party [Member]
Security Exchange Name
Title of 12(b) Security
Proceeds from Anson convertible notes, net of OID
Proceeds from Convertible Debt
Series A Convertible Preferred Stock [Member]
Series A preferred stock that may be exchanged into common shares or other types of securities at the owner's option.
Research and Development Expense [Member]
Convertible Note
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to convertible debt.
Statement of Income Location, Balance [Axis]
Statement of Income Location, Balance [Domain]
Nonmonetary Transaction Type [Domain]
Non-cash settlement expense
The non-cash litigation expense.
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Conversion of Series A Preferred Stock to Common Stock [Member]
The unique name of a noncash or part noncash stock conversion.
Settlement warrants
Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to settlement warrants.
Collaborative Arrangement Disclosure [Text Block]
Nonmonetary Transaction Type [Axis]
Accrued clinical site costs
Represents accrued clinical site costs.
Auditor Name
Streeterville Capital, LLC [Member]
Named other party that participates in a financial transaction. Examples include, but not limited to, the name of the financial institution.
Warrant issuance costs related to Alvogen termination
The costs related to the contract.
Auditor Firm ID
nrxp_RepaymentsOfInsuranceLoans
Repayment of insurance loan
The repayment of insurance loans.
April 2024 Offering [Member]
Sale of the entity's stock, including, but not limited to, initial public offering (IPO) and private placement.
Auditor Location
nrxp_StockholdersEquityNoteSpinoffTransactionPercentage
Stockholders Equity Note Spinoff Transaction, Percentage
Percent of shares related to the spinoff.
us-gaap_SharePrice
Share Price (in dollars per share)
Accrued research and development expense
Carrying value as of the balance sheet date of obligations incurred and payable for research and development. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
Antidilutive securities (in shares)
Prepaid clinical development costs
Amount of asset related to consideration paid in advance for clinical development that provides economic benefits within a future period of one year or the normal operating cycle, if longer.
us-gaap_OperatingLossCarryforwards
Operating Loss Carryforwards
The 2021 Omnibus Incentive Plan [Member]
Plan name for share-based payment arrangement.
us-gaap_OperatingLossCarryforwardsExpirationDate
Operating Loss Carryforwards, Expiration Date
Statement [Table]
The 2016 Omnibus Incentive Plan [Member]
Plan name for share-based payment arrangement.
Statement of Financial Position [Abstract]
Consultation Agreement with Zachary Javitt [Member]
Information by type of related party transaction.
Basic and diluted (in shares)
Consultation Agreement with Dr. Jonathan Javitt [Member]
Information by type of related party transaction.
Nondesignated Preferred Stock [Member]
The Nondesignated Preferred Stock.
Other
us-gaap_EffectiveIncomeTaxRateContinuingOperations
Effective tax rate
Business Acquisition [Axis]
Basic and diluted (in dollars per share)
Business Acquisition, Acquiree [Domain]
Increase in valuation allowance
NRX Pharmaceuticals, Inc [Member]
Information by name of entity in which ownership interest is disclosed. Excludes equity method investee and named security investment.
Statement of Cash Flows [Abstract]
Proceeds from issuance of common stock and warrants, net of issuance costs
The proceeds from issuance of common stock and warrants
Statement of Stockholders' Equity [Abstract]
Lease Contractual Term [Domain]
Contract cost related to Alvogen termination (see Note 6)
The contract costs related to the Alvogen termination.
Lease Contractual Term [Axis]
Glytech License Agreement [Member]
Information by type of related party transaction.
Income Statement [Abstract]
us-gaap_ProceedsFromIssuanceOfDebt
Proceeds from Issuance of Debt
us-gaap_RepaymentsOfDebt
Repayments of Debt
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
us-gaap_WarrantDownRoundFeatureDecreaseInNetIncomeLossToCommonShareholderAmount
Deemed dividend - warrants
Measurement Input, Probability of Default [Member]
Measurement input using the probability of default.
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Measurement Input, Volume Volatility [Member]
Measurement input using volume volatility.
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Measurement Input, Market Rate [Member[
Measurement input using the market rate.
Permanent items
Issued, aggregate intrinsic value
nrxp_ClassOfWarrantOrRightIssuedAggregateIntrinsicValue
Represents the aggregate intrinsic value of warrants or rights issued.
Issued, weighted average remaining contractual term (Year)
nrxp_ClassOfWarrantOrRightIssuedWeightedAverageRemainingTerm
Weighted average remaining contractual term for warrants or rights issued during the period.
Stock compensation
Issued, weighted average exercise price (in dollars per share)
Weighted average per share amount at which grantees can acquire shares of common stock by exercise of warrants.
Convertible note default penalty
Loss on Contract Termination for Default
Convertible note default penalty
State taxes
CASH FLOWS FROM FINANCING ACTIVITIES
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Federal statutory rate
RD Purchase Agreement [Member]
Pertains to the RD Purchase Agreement.
Convertible notes payable (Note 7)
RD Purchase Agreement, Warrants [Member]
Represents RD Purchase Agreement, warrants.
Third Tranche Notes, Warrants [Member]
Pertains to Third Tranche Notes, Warrants.
Third Tranche Notes [Member]
Pertains to the Third Tranche Notes.
Purchase Agreement [Member]
Represents Purchase Agreement.
Preferred Class A [Member]
Series A Preferred Stock [Member]
Preferred Stock and Warrants [Member]
Relating to preferred stock and warrants issuance.
us-gaap_StockholdersEquity
Total stockholders’ deficit
Balance
Balance
Adjustment for deferred offering cost settlement
Amount of increase in additional paid-in capital (APIC) for recognition of deferred offering cost settlement.
Class of Warrant or Right, Warrant Issued with Preferred Stock [Member]
Information pertaining to warrants.
Preferred stock and warrants issued, net (in shares)
Number of preferred stock and warrants issued.
Class of Stock [Axis]
Class of Stock [Domain]
nrxp_ClassOfWarrantOrRightIssuedInPeriod
Class of Warrant or Right Issued in Period (in shares)
The number of warrants issued.
Cumulative fair value adjustments through accumulated other comprehensive loss
Change in fair value of convertible note attributed to credit risk
Change in fair value of convertible note attributed to credit risk
March Investor Warrants [Member]
Relating to March Investor Warrants.
June Investor Warrants [Member]
Relating to June Investor Warrants.
Operating Segments [Member]
Convertible note payable, net of current portion
Convertible note payable and accrued interest – long term
Other current receivables