v3.22.4
Stockholders’ Equity and Stock-Based Compensation - Summary of Stock Option Activity Under 2018 Plan and 2006 Plan (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Shares of Stock under Stock Options    
Beginning balance (in shares) 12,765  
Granted (in shares) 16,148  
Exercised (in shares) (467)  
Canceled (in shares) (4,424)  
Ending balance (in shares) 24,022 12,765
Vested and exercisable (in shares) 7,791  
Weighted- Average Exercise Price     
Beginning balance (in dollars per share) $ 4.97  
Granted (in dollars per share) 2.12  
Exercised (in dollars per share) 0.74  
Canceled (in dollars per share) 4.18  
Ending balance (in dollars per share) 3.28 $ 4.97
Vested and exercisable (in dollars per share) $ 3.79  
Weighted- Average Remaining Contractual Term      
Outstanding 8 years 6 months 8 years 10 months 24 days
Vested and exercisable 7 years 6 months  
Aggregate Intrinsic Value      
Beginning balance $ 7,891  
Canceled 580 $ 2,500
Ending balance 2,068 $ 7,891
Vested and exercisable $ 1,513