Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation (Details 2)

v3.20.4
Share-Based Compensation (Details 2) - Stock Options [Member] - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Number of shares, Beginning balance 1,068,162  
Number of shares, Forfeited/Expired (190,896)  
Number of shares, Ending balance 877,266 1,068,162
Number of shares, Exercisable 219,317  
Weighted average exercise price, Beginning of period $ 8.91  
Weighted average exercise price, Forfeited/Expired 8.91  
Weighted average exercise price, Ending of period 8.91 $ 8.91
Weighted average exercise price, Exercisable $ 8.91  
Weighted average remaining contractual term 5 years 2 months 15 days 6 years 2 months 15 days
Weighted average remaining contractual term, Exercisable 5 years 2 months 15 days