XML 70 R47.htm IDEA: XBRL DOCUMENT v3.23.1
Stock-Based Compensation Expense - Additional Information (Details) - USD ($)
1 Months Ended 12 Months Ended
Jan. 01, 2023
Jan. 01, 2022
Apr. 30, 2020
Dec. 31, 2022
Dec. 31, 2021
Feb. 28, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Number of shares granted       2,828,474    
Shares of common stock reserved for future issuances       11,538,810    
Stock-based compensation expense       $ 5,447,000 $ 2,770,000  
Weighted-average fair value of options granted to employees, directors and consultants       $ 3.40 $ 6.89  
Aggregate intrinsic value of stock options exercised       $ 5,000 $ 300,000  
Common stock shares issued       31,827,659 13,007,178  
Unrecognized expense       $ 9,352,000    
Subsequent Events            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Increase in Shares available for grant 1,273,106          
Minimum            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Vesting period       4 years    
Maximum            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Stock option expiration period       10 years    
Certain Executives            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Number of shares granted       1,813,002    
2020 Plan            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Shares of common stock reserved for future issuances     2,100,000      
Maximum number of common shares issued     8,800,000      
Percentage of common shares increase automatically in each year     4.00%      
Increase in Shares available for grant   520,287        
Number of shares available for future grant       1,319,569    
2020 ESPP            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Number of shares granted       0    
Shares of common stock reserved for future issuances     150,000      
Maximum number of common shares issued   65,035 987,500      
Annual increase in number of shares available for issuance as percentage of outstanding shares common stock on final day of immediately preceding fiscal year     0.50%      
Purchase price of shares as percentage lower of fair market value of common stock     85.00%      
2020 ESPP | Subsequent Events            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Maximum number of common shares issued 0          
Market-Based Condition Awards            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Number of shares granted       1,648,002    
Stock-based compensation expense       $ 2,200,000    
Inducement Award Plan            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Shares of common stock reserved for future issuances           2,413,002
Number of shares available for future grant       600,000    
Commercial Revenue Based Milestone Awards            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Unrecognized expense       $ 36,000    
Performance-Based Criteria Related to Scientific Mileston            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Number of shares granted       31,429 31,429