Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.1
Stock-Based Compensation and Warrants - Summary of Status of Company's Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Shares    
Outstanding at the beginning (in shares) 2,286,410  
Exercisable (in shares) 1,443,675  
Outstanding at the ending (in shares) 2,286,410 2,286,410
Exercisable (in shares) 2,045,743 1,443,675
Weighted average exercise price    
Outstanding at the beginning (in dollars per share) $ 3.29  
Exercisable (in dollars per share) 3.57  
Exercised (in dollars per share) 0.00  
Outstanding at the ending (in dollars per share) 3.29 $ 3.29
Exercisable (in dollars per share) $ 3.41 $ 3.57
Weighted average remaining contractual life (Years)    
Weighted average remaining contractual life 4 years 8 months 19 days 4 years 11 months 19 days
Exercisable weighted average remaining contractual life 4 years 6 months 15 days 4 years 8 months 5 days
Intrinsic value    
Intrinsic Value Outstanding $ 9,590 $ 1,879
Intrinsic Value Exercisable $ 8,323 $ 1,112