Post-effective amendment to a registration statement that is not immediately effective upon filing

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v3.22.1
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12 Months Ended
Dec. 31, 2021
Cover [Abstract]  
Document Type POS AM
Entity Registrant Name NRX Pharmaceuticals, Inc.
Entity Central Index Key 0001719406
Entity Filer Category Non-accelerated Filer
Amendment Flag true
Amendment Description This Post-Effective Amendment No. 2 to the Registration Statement on Form S-1 (File No. 333-257438) (the “Registration Statement”) of NRX Pharmaceuticals, Inc. (“NRx”), as originally declared effective by the Securities and Exchange Commission (the “SEC”) on July 9, 2021, is being filed to (i) include the information contained in NRx’s Annual Report on Form 10-K for the year ended December 31, 2021, which was filed with the SEC on March 31, 2022 and (ii) update certain other information in the Registration Statement to reflect current business operations.
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period false