Annual report pursuant to Section 13 and 15(d)

EMPLOYEE STOCK OPTIONS, RESTRICTED STOCK AWARD PLAN AND 401(k) - Status of Restricted Stock Grants (Details)

v3.22.0.1
EMPLOYEE STOCK OPTIONS, RESTRICTED STOCK AWARD PLAN AND 401(k) - Status of Restricted Stock Grants (Details) - Restricted Stock - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted stock, Outstanding at beginning of the year 2,132,297 1,341,889 878,360  
Restricted stock, Granted 1,225,656 1,980,000   657,605
Restricted stock, Forfeited or rescinded 0 (9,200) (6,940)  
Restricted stock, Vested (785,357) (1,180,392) (187,136)  
Restricted stock, Outstanding at end of year 2,572,596 2,132,297 1,341,889 878,360
Weighted-Average Grant Date Fair Value, Outstanding at beginning of the year $ 2.94 $ 4.99 $ 7.33  
Weighted-Average Grant Date Fair Value, Granted 2.77 0.71 2.63  
Weighted-Average Grant Date Fair Value, Forfeited or rescinded 0 3.97 4.23  
Weighted-Average Grant Date Fair Value, Vested 1.37 4.97 7.79  
Weighted-Average Grant Date Fair Value, Outstanding at end of year $ 1.75 $ 2.94 $ 4.99 $ 7.33