Document And Entity Information |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Document Information [Line Items] | |
| Document Type | S-3 |
| Entity Registrant Name | NRX PHARMACEUTICALS, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 82-2844431 |
| Entity Address, Address Line One | 1201 Orange Street, Suite 600 |
| Entity Address, City or Town | Wilmington |
| Entity Address, State or Province | DE |
| Entity Address, Postal Zip Code | 19801 |
| City Area Code | 484 |
| Local Phone Number | 254-6134 |
| Entity Filer Category | Non-accelerated Filer |
| Entity Small Business | true |
| Entity Emerging Growth Company | false |
| Amendment Description | The registrant hereby amends this registration statement on such date or dates as may be necessary to delay its effective date until the registrant shall file a further amendment which specifically states that this registration statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933, as amended, or until the registration statement shall become effective on such date as the Securities and Exchange Commission, acting pursuant to said Section 8(a), may determine. |
| Entity Central Index Key | 0001719406 |
| Document Fiscal Year Focus | 2025 |
| Document Fiscal Period Focus | FY |
| Amendment Flag | true |