NRx Pharmaceuticals, Inc. Quarterly report pursuant to Section 13 or 15(d)

Equity - Assumed Placement Warrants (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Class of Stock [Line Items]
Number of outstanding warrants	17,521,753		17,521,753		9,305,790
Change in fair value of warrant liability	$ (37)	$ (16,537)	$ 236	$ 823
Placement Warrants
Class of Stock [Line Items]
Number of outstanding warrants	136,250		136,250
Change in fair value of warrant liability		$ (300)	$ 200	$ 1,200
Placement Warrants \| Maximum
Class of Stock [Line Items]
Change in fair value of warrant liability	$ 100