XML 53 R42.htm IDEA: XBRL DOCUMENT v3.22.2.2
STOCKHOLDERS' EQUITY - Stock options (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
STOCKHOLDERS' EQUITY      
Number of Options, Grants   20,000  
Stock options      
STOCKHOLDERS' EQUITY      
Number of Options, Outstanding at Beginning of Year 3,771,000    
Number of Options, Grants 6,887    
Number of Options, Exercised 0    
Number of Option, Forfeited/cancelled/expired/settled 0    
Number of Options, Balance at End of Year 3,778,000   3,771,000
Number of Options, Vested and expected to vest 3,777,000    
Number of Options, Unvested 11,000    
Number of Options, Exercisable 3,767,000    
Weighted-Average Exercise Price, Outstanding at Beginning of Year (in dollars per share) $ 2.18    
Weighted-Average Exercise Price, Grants (in dollars per share) 3.63    
Weighted-Average Exercise Price, Exercised (in dollars per share) 0    
Weighted-Average Exercise Price, Forfeited/cancelled/expired/settled (in dollars per share) 0    
Weighted-Average Exercise Price, Balance at End of Year (in dollars per share) 2.18   $ 2.18
Weighted-Average Exercise Price, Vested and expected to vest (in dollars per share) 2.18    
Weighted-Average Exercise Price, Unvested (in dollars per share) 7.26    
Weighted-Average Exercise Price, Exercisable (in dollars per share) $ 2.16    
Weighted-Average Remaining Contractual Term, Outstanding (in years) 5 years 5 months 8 days   5 years 8 months 4 days
Weighted-Average Remaining Contractual Term, Grants (in years) 0 years    
Weighted-Average Remaining Contractual Term, Exercised (in years) 0 years    
Weighted-Average Remaining Contractual Term, Forfeited/cancelled/expired/settled (in years) 0 years    
Weighted-Average Remaining Contractual Term, Vested and expected to vest (in years) 5 years 5 months 8 days    
Weighted-Average Remaining Contractual Term, Unvested (in years) 9 years 6 months 3 days    
Weighted-Average Remaining Contractual Term, Exercisable (in years) 5 years 5 months 4 days    
Aggregate Intrinsic Value, Outstanding $ 11,270,000   $ 4,660,000
Aggregate Intrinsic Value, Grants 0    
Aggregate Intrinsic Value, Exercised 0    
Aggregate Intrinsic Value, Forfeited/cancelled/expired/settled 0    
Aggregate Intrinsic Value, Vested and expected to vest 11,270,000    
Aggregate Intrinsic Value, Unvested 0    
Aggregate Intrinsic Value, Exercisable $ 11,270,000