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STOCKHOLDERS' EQUITY, Restricted Stock and Stock Options (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Aug. 07, 2020
Director
shares
Feb. 20, 2020
Sep. 30, 2020
USD ($)
$ / shares
shares
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
Plan
$ / shares
shares
Sep. 30, 2019
USD ($)
shares
Dec. 31, 2019
USD ($)
$ / shares
shares
Jun. 16, 2020
shares
Stockholders' Equity Note Details [Abstract]                
Number of stock incentive plans | Plan         3      
Shares [Abstract]                
Outstanding, beginning balance (in shares)         116,000      
Granted (in shares)         0      
Vested (in shares)         0      
Canceled (in shares)         (35,000)      
Outstanding, ending balance (in shares)     81,000   81,000   116,000  
Vested (in shares)     81,000   81,000      
Exercisable, ending balance (in shares)     81,000   81,000      
Weighted Average Exercise Price Per Share [Abstract]                
Outstanding, beginning balance (in dollars per share) | $ / shares         $ 10.56      
Granted (in dollars per share) | $ / shares         0      
Vested (in dollars per share) | $ / shares         0      
Canceled (in dollars per share) | $ / shares         16.95      
Outstanding, ending balance (in dollars per share) | $ / shares     $ 7.79   7.79   $ 10.56  
Vested or expected to vest (in dollars per share) | $ / shares     7.79   7.79      
Exercisable, ending balance (in dollars per share) | $ / shares     $ 7.79   $ 7.79      
Weighted Average Remaining Contractual Term [Abstract]                
Outstanding         1 year 5 months 1 day   1 year 9 months 29 days  
Vested or expected to vest         1 year 5 months 1 day      
Exercisable         1 year 5 months 1 day      
Aggregate Intrinsic Value [Abstract]                
Outstanding, beginning balance | $         $ 0      
Granted | $         0      
Canceled | $         0      
Vested | $         0      
Outstanding, ending balance | $     $ 0   0   $ 0  
Vested or expected to vest | $     0   0      
Exercisable, ending balance | $     $ 0   $ 0      
Restricted Stock [Member]                
Stockholders' Equity Note Details [Abstract]                
Restricted shares granted to each director (in shares) 17,096              
Shares [Abstract]                
Nonvested restricted stock outstanding, beginning balance (in shares)         595,436      
Granted (in shares)         1,319,734      
Canceled (in shares)         0      
Vested (in shares)         (343,011)      
Nonvested restricted stock outstanding, ending balance (in shares)     1,572,159   1,572,159   595,436  
Weighted Average Grant Date Fair Value [Abstract]                
Nonvested restricted stock outstanding, beginning balance (in dollars per share) | $ / shares         $ 3.15      
Granted (in dollars per share) | $ / shares         2.68      
Canceled (in dollars per share) | $ / shares         0      
Vested (in dollars per share) | $ / shares         3.40      
Nonvested restricted stock outstanding, ending balance (in dollars per share) | $ / shares     $ 2.77   $ 2.77   $ 3.15  
Recognized restricted stock expense | $     $ 700 $ 200 $ 1,300 $ 500    
Unrecognized restricted stock expense | $     3,600   3,600   $ 1,200  
Stock Options [Member]                
Aggregate Intrinsic Value [Abstract]                
Unrecognized pre-tax compensation expense | $     0   $ 0      
2020 Plan [Member]                
Stockholders' Equity Note Details [Abstract]                
Number of shares available for issuance under incentive plan (in shares)               2,000,000
2020 Plan [Member] | June 16, 2020 [Member]                
Stockholders' Equity Note Details [Abstract]                
Stock option award issuance, plan duration         10 years      
LTIP Plan [Member]                
Stockholders' Equity Note Details [Abstract]                
Number of shares available for issuance under incentive plan (in shares)               2,000,000
Performance-based restricted stock compensation expense | $     200   $ 500      
LTIP Plan [Member] | February 28, 2019 [Member]                
Stockholders' Equity Note Details [Abstract]                
Vesting period of performance-based shares         3 years      
LTIP Plan [Member] | First Anniversary Date [Member]                
Stockholders' Equity Note Details [Abstract]                
Percentage of vesting of performance-based shares   20.00%            
LTIP Plan [Member] | Second Anniversary Date [Member]                
Stockholders' Equity Note Details [Abstract]                
Percentage of vesting of performance-based shares   30.00%            
LTIP Plan [Member] | Third Anniversary Date [Member]                
Stockholders' Equity Note Details [Abstract]                
Percentage of vesting of performance-based shares   50.00%            
LTIP Plan [Member] | Restricted Stock [Member]                
Weighted Average Grant Date Fair Value [Abstract]                
Outstanding restricted shares, intrinsic value | $     $ 8,700   $ 8,700      
LTIP Plan [Member] | Restricted Stock [Member] | February 28, 2019 [Member]                
Weighted Average Grant Date Fair Value [Abstract]                
Recognized restricted stock expense | $         $ 400 $ 300    
Non Employee Directors Plan [Member]                
Stockholders' Equity Note Details [Abstract]                
Number of directors appointed | Director 2              
Net share settlement for restricted stock (in shares)         75,115 5,518    
Decrease in equity due to payment of tax for employee | $         $ 200      
Non Employee Directors Plan [Member] | Maximum [Member]                
Stockholders' Equity Note Details [Abstract]                
Decrease in equity due to payment of tax for employee | $           $ 100    
Non Employee Directors Plan [Member] | Restricted Stock [Member]                
Stockholders' Equity Note Details [Abstract]                
Number of shares issued under incentive plan (in shares)         111,376      
Shares [Abstract]                
Vested (in shares) (12,762)