XML 67 R53.htm IDEA: XBRL DOCUMENT v3.21.1
Equity - Stock Options - Non-vested (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Share-based compensation    
Non-vested stock options at January 1 (in shares) 669,985 292,315
Granted (in shares) 743,161 1,328,718
Vested, Options (in shares) (1,077,655) (902,268)
Exercised (in shares) (117,000)  
Forfeited/Expired/Exchanged, Options (in shares) (18,124) (48,780)
Non-vested stock options at December 31 (in shares) 317,367 669,985
Non-vested stock options - Weighted Average Grant Date Fair Value (in dollars per share) $ 1.71 $ 2.61
Granted - Weighted Average Grant Date Fair Value (in dollars per share) 1.07 1.32
Vested - Weighted Average Grant Date Fair Value (in dollars per share) 2.25 1.40
Forfeited/Expired/Exchanged - Weighted Average Grant Date Fair Value (in dollars per share) 2.41 2.14
Non-vested stock options - Weighted Average Grant Date Fair Value (in dollars per share) $ 1.60 $ 1.71
Stock options, Intrinsic value of outstanding shares $ 2,966,000  
Equity Incentive Plan [Member]    
Share-based compensation    
Granted (in shares) 743,161 1,328,718
Exercised (in shares) (117,000)