Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Options Outstanding (Details)

v3.22.2.2
Stockholders' Equity - Options Outstanding (Details) - $ / shares
9 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Number of Shares    
Balance at the beginning of the period (in shares) 12,449,870  
Granted (in shares) 999,950  
Forfeited/Cancelled (in shares) (4,080,550)  
Balance at the end of the period (in shares) 9,369,270 12,449,870
Vested or expected to vest at the end of the period (in shares) 9,369,270  
Exercisable at the end of the period (in shares) 5,875,106  
Weighted-Average Exercise Price    
Balance at the beginning of the period (in dollars per share) $ 2.67  
Granted (in dollars per share) 0.46  
Forfeited/Cancelled (in dollars per share) 3.72  
Balance at the end of the period (in dollars per share) 1.97 $ 2.67
Vested or expected to vest at the end of the period (in dollars per share) 1.97  
Exercisable at the end of the period (in dollars per share) $ 2.32  
Weighted Average Remaining Contractual Term    
Options Outstanding at the end of the period 7 years 18 days 7 years 1 month 9 days
Vested or expected to vest at the end of the period 7 years 18 days  
Exercisable at the end of the period 6 years 10 days