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SHARE-BASED PAYMENTS - Schedule of Share-based Compensation, Stock Options, Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]      
Weighted average exercise price, beginning of period (in dollars per share) $ 2.79 $ 2.91 $ 2.91
Grants in period, weighted average exercise price (in dollars per share) 6.69   3.99
Exercises in period, weighted average exercise price (in dollars per share) 2.41   2.95
Forfeitures in period, weighted average exercise price (in dollars per share)     3.16
Expirations in period, weighted average exercise price (in dollars per share) 2.35   8.14
Weighted average exercise price, end of period (in dollars per share) 2.99   $ 2.79
Exercisable options, weighted average exercise price (in dollars per share) $ 2.79    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Number of options, beginning of period (in shares) 942,882 1,609,087 1,609,087
Number of grants in period, net of forfeitures (in shares) 28,202 160,000 169,310
Number of forfeitures in period (in shares)     (8,048)
Number of expirations in period (in shares) (15,506)   (51,653)
Number of options, end of period (in shares) 819,652   942,882
Number of exercisable options (in shares) 745,822    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term 2 years 4 months 20 days    
Exercisable options, weighted average remaining contractual term 2 years 2 months 12 days    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value $ 5,048    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value $ 4,746    
Weighted Average Grant Date Fair Value      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period 135,926   775,814
Minimum      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]      
Weighted average exercise price, beginning of period (in dollars per share) $ 1.70 $ 1.70 $ 1.70
Grants in period, weighted average exercise price (in dollars per share) 6.47   3.89
Exercises in period, weighted average exercise price (in dollars per share) 1.70   1.70
Forfeitures in period, weighted average exercise price (in dollars per share)     1.76
Expirations in period, weighted average exercise price (in dollars per share)     1.70
Weighted average exercise price, end of period (in dollars per share) 1.70   1.70
Exercisable options, weighted average exercise price (in dollars per share) 1.70    
Maximum      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]      
Weighted average exercise price, beginning of period (in dollars per share) 8.41 $ 15.61 15.61
Grants in period, weighted average exercise price (in dollars per share) 10.03   8.41
Exercises in period, weighted average exercise price (in dollars per share) 5.18   7.42
Forfeitures in period, weighted average exercise price (in dollars per share)     5.91
Expirations in period, weighted average exercise price (in dollars per share)     15.61
Weighted average exercise price, end of period (in dollars per share) 10.03   $ 8.41
Exercisable options, weighted average exercise price (in dollars per share) $ 7.14    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]      
Exercisable options, weighted average remaining contractual term 10 years    
Equity Option      
Number of Shares      
Number of nonvested shares, beginning of period (in shares) 213,317 403,990 403,990
Granted, nonvested, number of shares (in shares) 28,202   169,310
Vested, number of shares (in shares) (167,689)   (351,934)
Nonvested options forfeited, number of shares (in shares)     (8,049)
Number of nonvested shares, end of period (in shares) 73,830   213,317
Weighted Average Grant Date Fair Value      
Nonvested, weighted average grant date fair value, beginning of period (in dollars per share) $ 1.34 $ 0.94 $ 0.94
Granted, nonvested, weighted average grant date fair value (in dollars per share) 3.19   2.06
Vested, weighted average grant date fair value (in dollars per share) 1.12   1.23
Nonvested options forfeited, weighted average grant date fair value (in dollars per share)     1.60
Nonvested, weighted average grant date fair value, end of period (in dollars per share) $ 2.53   $ 1.34