XML 85 R44.htm IDEA: XBRL DOCUMENT v3.23.1
Stock-based Compensation - Additional Information (Details) - USD ($)
1 Months Ended 12 Months Ended
Jan. 01, 2021
Jun. 30, 2022
Sep. 30, 2020
Dec. 31, 2022
Dec. 31, 2021
Jan. 01, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Expected dividend yield       0.00%    
Weighted-average grant-date fair value of options granted       $ 16,300,000 $ 14,400,000  
Weighted-average grant-date fair value of restricted stock units granted       129,000 5,700,000  
Fair value of options vested       6,800,000 1,400,000  
Aggregate intrinsic value of options exercised       3,000,000.0 $ 3,100,000  
Unrecognized compensation cost       $ 18,600,000    
Remaining weighted-average period expected to recognize unrecognized compensation cost       2 years 8 months 4 days    
Reserved shares of common stock for future issuance       9,440,355 7,695,922  
Common stock available for future grants       4,253,854 4,442,315  
Stock-based compensation expense       $ 10,606,000 $ 4,623,000  
Common Stock            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Issued common stock, share under employee stock purchase plan       78,361    
Employee Stock Purchase Plan            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Offering periods     6 months      
Percentage of fair market value of common shares 1.00%   85.00%      
Reserved shares of common stock for future issuance       916,640    
Terms of award       Under the ESPP, eligible employees can authorize payroll deductions for amounts up to the lesser of 15% of their qualifying wages or the statutory limit under the U.S. Internal Revenue Code. The ESPP provides for offering periods of six months in duration with one purchase period per offering period beginning May 18 and November 18 of each year.    
Stock-based compensation expense       $ 162,000 $ 164,000  
Employee Stock Purchase Plan | Subsequent Event            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Common stock available for future grants           378,773
Employee Stock Purchase Plan | Maximum            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Maximum percentage of payroll deductions for qualifying wages or statutory limit     15.00%      
Shares of common stock purchased by each participant       10,000    
Common stock available for future grants 646,000          
Restricted Stock Units (RSUs)            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Remaining weighted-average period expected to recognize unrecognized compensation cost       9 months 18 days    
RSUs vested   119,911   119,911    
Unrecognized stock-based compensation expense related to non-vested restricted stock units       $ 1,400,000