Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION PLANS (Details)

v3.20.1
STOCK-BASED COMPENSATION PLANS (Details)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2020
USD ($)
director
$ / shares
shares
Mar. 31, 2019
USD ($)
installment
director
$ / shares
shares
General and administrative expenses    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense | $ $ 0.5 $ 0.3
Restricted Stock | Service vesting    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of directors | director   4
Number of annual installments over which shares vest | installment   4
Restricted Stock | 2015 Plan | Service vesting    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of directors | director 5  
Restricted Stock | Outside of 2015 Plan | Service vesting    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted (in shares) | shares   21,500
Weighted average grant date fair value | $ / shares   $ 2.60
Vesting period   3 years
Restricted Stock | Outside of 2015 Plan | Performance vesting    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted (in shares) | shares   21,500
Weighted average grant date fair value | $ / shares   $ 0.75
Restricted Stock | Director | Service vesting    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted (in shares) | shares   130,612
Weighted average grant date fair value | $ / shares   $ 2.45
Restricted Stock | Director | 2015 Plan | Service vesting    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted (in shares) | shares 365,855  
Weighted average grant date fair value | $ / shares $ 1.23