Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Additional Information (Details)

v3.21.2
Stock Based Compensation - Additional Information (Details)
3 Months Ended 9 Months Ended
May 24, 2021
$ / shares
shares
May 23, 2021
Sep. 30, 2021
USD ($)
$ / shares
shares
Sep. 30, 2020
USD ($)
$ / shares
Sep. 30, 2021
USD ($)
$ / shares
shares
Sep. 30, 2020
USD ($)
$ / shares
Jun. 30, 2021
$ / shares
shares
Mar. 31, 2021
$ / shares
shares
Dec. 31, 2020
$ / shares
shares
Equity Incentive Plan [Line Items]                  
Options to purchase shares of common Stock | shares             2,919,493   2,414,303
Exercise price | $ / shares             $ 5.25   $ 2.17
Expected dividend yield         0.00%        
Weighted average grant date fair value | $ / shares     $ 9.80 $ 11.62 $ 16.53 $ 4.44      
Unrecognized compensation     $ 32,644,383   $ 32,644,383        
Weighted-average period         1 year 2 months 23 days        
Stock-based compensation expense allocated     1,559,825 $ 190,750 $ 6,214,853 $ 373,018      
Merger agreement | Stockholders of NeuroRx                  
Equity Incentive Plan [Line Items]                  
Exchange Ratio 3.16 4.96              
Substitute Options                  
Equity Incentive Plan [Line Items]                  
Share-based Payment Arrangement, Plan Modification, Incremental Cost         25,877,473        
General and administrative                  
Equity Incentive Plan [Line Items]                  
Stock-based compensation expense allocated     1,340,023 64,604 5,778,606 182,073      
Research and development                  
Equity Incentive Plan [Line Items]                  
Stock-based compensation expense allocated     $ 219,802 $ 126,146 $ 436,247 $ 190,945      
2016 Omnibus Inventive Plan [Member]                  
Equity Incentive Plan [Line Items]                  
Share-based compensation arrangement by share-based payment award, number of shares authorized | shares     3,472,000   3,472,000        
Options to purchase shares of common Stock | shares 2,895,423   2,388,811   2,388,811     2,426,703  
Exercise price | $ / shares $ 5.10   $ 6.04   $ 6.04     $ 14.58