Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Stock-Based Compensation - Summary of Status of Company's Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Shares    
Outstanding at the beginning (in shares) 1,806,508  
Exercisable (in shares) 1,270,508  
Exercised (in shares) (18,000)  
Cancelled, expired or forfeited (in shares) (81,500)  
Outstanding at the ending (in shares) 1,707,008 1,806,508
Exercisable (in shares) 1,343,675 1,270,508
Weighted average exercise price    
Outstanding at the beginning (in dollars per share) $ 3.37  
Exercisable (in dollars per share) 3.93  
Exercised (in dollars per share) 2.13  
Cancelled, expired or forfeited (in dollars per share) 3.75  
Outstanding at the ending (in dollars per share) 3.37 $ 3.37
Exercisable (in dollars per share) $ 3.73 $ 3.93
Weighted average remaining contractual life (Years)    
Weighted average remaining contractual life 5 years 5 months 27 days 5 years 10 months 13 days
Exercisable weighted average remaining contractual life 5 years 7 days 5 years 1 month 6 days
Intrinsic value    
Intrinsic Value Outstanding $ 63 $ 1,428
Intrinsic Value Exercisable $ 42 $ 665