Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Stock Options Activity (Details)

v3.22.1
Stock-Based Compensation - Stock Options Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Beginning balance (in shares) 466,742 297,560  
Options granted (in shares) 679,495 214,182  
Forfeitures (in shares) (5,453)    
Options exercised (in shares) (34,846) (45,000)  
Ending balance (in shares) 1,105,938 466,742 297,560
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]      
Beginning balance, Weighted average exercise price (in dollars per share) $ 0.14 $ 0  
Options granted, Weighted average exercise price (in dollars per share) 3.22 0.28  
Forfeitures, Weighted average exercise price (in dollars per share) 0.07    
Options exercised, Weighted average exercise price (in dollars per share) 0 0  
Ending balance, Weighted average exercise price (in dollars per share) $ 2.03 $ 0.14 $ 0
Average remaining contractual life 8 years 9 months 18 days 8 years 2 months 12 days 7 years 7 months 6 days
Aggregate intrinsic value, outstanding $ 1,535 $ 81 $ 81
Exercisable (in shares) 346,096    
Exercisable, Weighted average exercise price (in dollars per share) $ 0.57    
Exercisable, Average remaining contractual life) 7 years 3 months 18 days    
Exercisable, Aggregate intrinsic value $ 878    
Exercise price per share (in dollars per share) $ 0.01