Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION PLANS (Details)

v3.20.2
STOCK-BASED COMPENSATION PLANS (Details)
1 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2020
shares
Jan. 22, 2020
shares
Sep. 30, 2019
installment
shares
Jan. 31, 2019
USD ($)
Jun. 30, 2020
USD ($)
director
$ / shares
shares
Jun. 30, 2019
USD ($)
installment
$ / shares
shares
Dec. 31, 2018
USD ($)
installment
$ / shares
shares
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
General and administrative expenses                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock-based compensation expense | $         $ 600,000 $ 1,100,000 $ 900,000    
2020 Long term incentive plan                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted (in shares)         2,900,000        
Grant date fair value | $ / shares         $ 1.22        
Restricted Stock | Service vesting                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted (in shares)     100,000     149,639      
Number of directors | director         5        
Number of annual installments over which shares vest | installment     3     4      
Vesting shares of restricted stock awards 33,333                
Restricted Stock | Performance vesting                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted (in shares)     50,000       357,545    
Grant date fair value | $ / shares             $ 3.00    
Number of annual installments over which shares vest | installment     2       3    
Minimum Per share stock price for any period of 30 consecutive trading days at any time prior to June 30, 2021 | $ / shares             $ 5.00    
Restricted Stock | 2015 Plan | Service vesting                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares converted         580,312        
Restricted Stock | 2015 Plan | Performance vesting                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Shares converted         1,178,213        
Conversion price | $ / shares         $ 1.67        
Restricted Stock | 2020 Long term incentive plan | Service vesting                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Annual performance objective term         3 years        
Restricted Stock | 2020 Long term incentive plan | Performance vesting                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Target award opportunity (as a percent)         50.00%        
Maximum performance resulting in awards (as a percent)         200.00%        
Vesting period         3 years        
Restricted Stock | 2019 long-term incentive program and 2015 plan | Service vesting                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted (in shares)           358,613      
Weighted average grant date fair value | $ / shares           $ 2.35      
Vesting period           3 years      
Restricted Stock | 2019 long-term incentive program and 2015 plan | Performance vesting                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Aggregate cash Value | $           $ 1,700,000      
Vesting period           3 years      
Restricted Stock | 2019 long-term incentive program and 2015 plan | Performance vesting | Minimum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Award payouts           50.00%      
Restricted Stock | 2019 long-term incentive program and 2015 plan | Performance vesting | Maximum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Award payouts           200.00%      
Restricted Stock | Annual director compensation program | Service vesting                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted (in shares)           130,612      
Grant date fair value | $ / shares           $ 2.45      
Restricted Stock | 2018 long-term incentive program | Service vesting                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted (in shares)           21,500      
Grant date fair value | $ / shares           $ 2.60      
Restricted Stock | 2018 long-term incentive program | Performance vesting                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted (in shares)           21,500      
Grant date fair value | $ / shares           $ 0.75      
Restricted Stock | Director | 2015 Plan | Service vesting                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted (in shares)         365,855        
Weighted average grant date fair value | $ / shares         $ 1.23        
Restricted Stock | New director | Service vesting                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted (in shares)           19,027      
Grant date fair value | $ / shares           $ 2.35      
Restricted Stock | Non-employee director | Service vesting                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Number of annual installments over which shares vest | installment           4      
Vesting shares of restricted stock awards   59,057       37,410      
Fair value of share vested | $       $ 80,000     $ 60,000 $ 80,000 $ 80,000
Restricted Stock | Employees | 2019 long-term incentive program and 2015 plan | Service vesting                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting shares of restricted stock awards 120,574                
Restricted Stock | Employees | 2019 long-term incentive program and 2015 plan | Performance vesting                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting shares of restricted stock awards 320,074                
Restricted Stock | Employees | 2018 long-term incentive program                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting shares of restricted stock awards 5,500                
Restricted Stock | Employees | 2018 long-term incentive program | Service vesting                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted (in shares)             429,165    
Grant date fair value | $ / shares             $ 2.94    
Vesting shares of restricted stock awards 104,888                
Vesting period             3 years