v3.20.2
STOCKHOLDERS' EQUITY - Restricted Stock (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Abstract]          
Stock-based compensation $ 2,495 $ 692 $ 3,453 $ 1,163  
Chief Executive Officer          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Abstract]          
Stock-based compensation $ 1,322        
Restricted stock          
Restricted Stock          
Outstanding at period start (in shares)     318,002    
Granted (in shares)     158,310    
Forfeited (in shares)     (568)    
Vested (in shares)     (38,397)    
Outstanding at period end (in shares) 437,347   437,347   318,002
Weighted-Average Remaining Contractual Terms     1 year 7 months 6 days   1 year 8 months 12 days
Restricted stock exercisable (in shares) 0   0    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Abstract]          
Unrecognized compensation expense $ 9,865   $ 9,865    
Unrecognized compensation expense, weighted average period of recognition     1 year 7 months 6 days