Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Stock option plan (Details)

v3.22.2.2
Stock-Based Compensation - Stock option plan (Details) - $ / shares
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2022
Dec. 31, 2021
Shares Underlying Options          
Outstanding at beginning (in shares) 4,188,443 4,567,606      
Granted (in dollars per share) 0 0 0 0  
Forfeited (in dollars per share) (44,560) (11,431) (20,814)    
Exercised (in dollars per share) (68,817) (367,732) (217,967)    
Outstanding at ending (in shares) 4,075,066 4,188,443 4,567,606 4,075,066  
Exercisable at the end (in shares) 3,951,205     3,951,205  
Weighted Average Exercise Price          
Outstanding at beginning (in dollars per share) $ 0.64 $ 0.63      
Granted (in dollars per share) 0 0 $ 0    
Forfeited (in dollars per share) 0.44 0.49 0.49    
Exercised (in dollars per share) 0.50 0.50 0.49    
Outstanding at ending (in dollars per share) 0.65 $ 0.64 $ 0.63 $ 0.65  
Exercisable (in dollars per share) $ 0.65     $ 0.65  
Weighted Average Remaining Contractual Term (in years)          
Outstanding (in years) 5 years 9 months 21 days 6 years 6 years 4 months 6 days    
Exercisable at the end 5 years 8 months 15 days        
Cumulative Effect Adjusted          
Shares Underlying Options          
Outstanding at beginning (in shares)     4,806,387 4,806,387  
Outstanding at ending (in shares)         4,806,387
Weighted Average Exercise Price          
Outstanding at beginning (in dollars per share)     $ 0.63 $ 0.63  
Outstanding at ending (in dollars per share)         $ 0.63
Weighted Average Remaining Contractual Term (in years)          
Outstanding (in years)         6 years 6 months 25 days