XML 81 R69.htm IDEA: XBRL DOCUMENT v3.21.2
Stock-Based Compensation - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2021
Mar. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Jul. 31, 2021
Stock Based Compensation Details [Line Items]                
Expected dividend yield           0.00%    
Weighted average grant-date fair value of stock options granted           $ 4.13    
Vested options to acquire shares   269,007   2,613,217        
Vested options to acquire per share (in Dollars per share)   $ 3.83   $ 10.21        
Stock-based compensation expense recognized     $ 8,880 $ 13,723 $ 1,083 $ 38,077 $ 3,355  
Aggregate intrinsic value, stock option exercised           3,170    
Unrecognized compensation cost for options issued (in Dollars) $ 15,734   15,734     $ 15,734    
Estimated weighted-average amortization period           3 years 4 months 24 days    
Expected volatility           80.40%    
Awards with Service Conditions                
Stock Based Compensation Details [Line Items]                
Options vesting period 4 years              
Vested options to acquire shares 3,766,107              
Vested options to acquire per share (in Dollars per share) $ 10.23              
Stock-based compensation expense recognized     7,186          
Vesting percentage on closing date 50.00%              
Vesting percentage over four years 50.00%              
Awards with Market Conditions                
Stock Based Compensation Details [Line Items]                
Vested options to acquire shares 2,469,282              
Vested options to acquire per share (in Dollars per share) $ 6.32              
Stock-based compensation expense recognized     72     $ 72    
Unrecognized compensation cost for options issued (in Dollars) $ 6,941   $ 6,941     $ 6,941    
Estimated weighted-average amortization period 4 years         3 years 11 months 15 days    
Vesting description           vest in up to five equal installments in respect of achieving certain share price targets between the third and fourth anniversary of the effective date    
Expected volatility 75.00%              
Closing price $ 6.32   $ 6.32     $ 6.32    
Estimated fair value 7,013   7,013     7,013    
Research and Development Expense                
Stock Based Compensation Details [Line Items]                
Stock-based compensation expense recognized     $ 2,682 6,861 426 $ 10,345 1,000  
Research and Development Expense | Awards with Service Conditions                
Stock Based Compensation Details [Line Items]                
Stock-based compensation expense recognized     3,388          
Selling, General and Administrative Expense                
Stock Based Compensation Details [Line Items]                
Stock-based compensation expense recognized     6,186 $ 6,862 $ 644 $ 27,688 $ 2,302  
Selling, General and Administrative Expense | Awards with Service Conditions                
Stock Based Compensation Details [Line Items]                
Stock-based compensation expense recognized     $ 3,798          
2021 Plan                
Stock Based Compensation Details [Line Items]                
Percentage of shares issued from outstanding capital stock, maximum           4.00%    
Number of shares issued for future issuance automatic increase period           10 years    
2021 Plan | Class A Common Stock                
Stock Based Compensation Details [Line Items]                
Number of shares reserved for issuance               20,915,283
Number of shares remaining available for future grant 14,018,435   14,018,435     14,018,435    
2017 Plan                
Stock Based Compensation Details [Line Items]                
Number of shares remaining available for future grant 32,342,049   32,342,049     32,342,049    
Percentage of fair market value           100.00%    
2017 Plan | Maximum                
Stock Based Compensation Details [Line Items]                
Stock option, expiration period           10 years    
Options vesting period           4 years    
2017 Plan | Minimum                
Stock Based Compensation Details [Line Items]                
Options vesting period           3 years