Quarterly report pursuant to Section 13 or 15(d)

Convertible Preferred Stock and Stockholders' Equity - Activity related to restricted stock award (Details)

v3.22.2.2
Convertible Preferred Stock and Stockholders' Equity - Activity related to restricted stock award (Details) - $ / shares
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Shares        
Vested     (204,384)  
Non-vested as of September 290,625   290,625  
Restricted stock        
Shares        
Non-vested as of January     728,255  
Granted     1,274,900  
Vested     (284,299)  
Forfeited     (41,372)  
Non-vested as of September 1,677,484   1,677,484  
Weighted-Average Grant Date Fair Value        
Non-vested as of January     $ 3.43  
Granted     1.18  
Vested     3.07  
Forfeited     1.92  
Non-vested as of September $ 1.82   $ 1.82  
Restricted stock units | 2020 Stock Incentive Plan        
Shares        
Non-vested as of January     438,462  
Vested (59,931) (201,343) (66,766) (201,343)
Forfeited     (10,069)  
Non-vested as of September 361,627   361,627  
Weighted-Average Grant Date Fair Value        
Non-vested as of January     $ 2.36  
Vested     2.43  
Forfeited     2.27  
Non-vested as of September $ 2.35   $ 2.35  
Restricted stock units | 2022        
Shares        
Granted     370,000  
Non-vested as of September 370,000   370,000  
Weighted-Average Grant Date Fair Value        
Granted     $ 0.52  
Non-vested as of September $ 0.52   $ 0.52