Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation and Warrants - Summary of Status of Company's Stock Option Activity (Details)

v3.21.2
Stock-Based Compensation and Warrants - Summary of Status of Company's Stock Option Activity (Details)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2021
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Shares    
Outstanding at the beginning (in shares) | shares 1,707,008  
Exercisable (in shares) | shares 1,443,675  
Vested (in shares) | shares 594,402  
Exercised (in shares) | shares (1,031,558)  
Cancelled, expired or forfeited (in shares) | shares (10,000)  
Outstanding at the ending (in shares) | shares 1,259,852 1,707,008
Exercisable (in shares) | shares 1,134,185 1,443,675
Weighted average exercise price    
Outstanding at the beginning (in dollars per share) | $ / shares $ 3.37  
Exercisable (in dollars per share) | $ / shares 3.57  
Vested (in dollars per share) | $ / shares 3.09  
Exercised (in dollars per share) | $ / shares 3.22  
Cancelled, expired or forfeited (in dollars per share) | $ / shares 2.13  
Outstanding at the ending (in dollars per share) | $ / shares 3.37 $ 3.37
Exercisable (in dollars per share) | $ / shares $ 3.49 $ 3.57
Weighted average remaining contractual life (Years)    
Weighted average remaining contractual life 4 years 1 month 28 days 4 years 11 months 23 days
Exercisable weighted average remaining contractual life 3 years 11 months 15 days 4 years 8 months 4 days
Intrinsic value    
Intrinsic Value Outstanding | $ $ 9,219 $ 1,454
Intrinsic Value Exercisable | $ $ 8,163 $ 1,112