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STOCKHOLDERS' EQUITY (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2018
USD ($)
$ / shares
shares
Sep. 30, 2017
USD ($)
Sep. 30, 2018
USD ($)
Plan
$ / shares
shares
Sep. 30, 2017
USD ($)
shares
Dec. 31, 2017
USD ($)
$ / shares
shares
Stockholders' Equity Note Details [Abstract]          
Number of stock incentive plans | Plan     2    
Shares [Abstract]          
Outstanding, beginning balance (in shares) | shares     167,667    
Canceled (in shares) | shares     (28,667)    
Outstanding, ending balance (in shares) | shares 139,000   139,000   167,667
Vested (in shares) | shares 139,000   139,000    
Exercisable, ending balance (in shares) | shares 139,000   139,000    
Weighted Average Exercise Price Per Share [Abstract]          
Outstanding, beginning balance (in dollars per share)     $ 12.11    
Cancelled (in dollars per share)     11.98    
Outstanding, ending balance (in dollars per share) $ 12.14   12.14   $ 12.11
Vested or expected to vest (in dollars per share) 12.14   12.14    
Exercisable, ending balance (in dollars per share) $ 12.14   $ 12.14    
Weighted Average Remaining Contractual Term [Abstract]          
Outstanding     3 years 14 days   2 years 11 months 19 days
Vested or expected to vest     3 years 14 days    
Exercisable     3 years 14 days    
Aggregate Intrinsic Value [Abstract]          
Outstanding, beginning balance | $     $ 0    
Canceled | $     0    
Outstanding, ending balance | $ $ 0   0   $ 0
Vested or expected to vest | $ 0   0    
Exercisable, ending balance | $ $ 0   $ 0    
Stock Options Outstanding [Abstract]          
Shares (in shares) | shares 139,000   139,000    
Contractual Weighted Average Life     3 years 14 days    
Weighted Average Price (in dollars per share) $ 12.14   $ 12.14    
Stock Options Exercisable [Abstract]          
Shares (in shares) | shares 139,000   139,000    
Weighted Average Exercise Price (in dollars per share) $ 3.04   $ 3.04    
Minimum [Member]          
Stockholders' Equity Note Details [Abstract]          
Expiration period     120 days    
Maximum [Member]          
Stockholders' Equity Note Details [Abstract]          
Expiration period     240 days    
Stock Options [Member]          
Aggregate Intrinsic Value [Abstract]          
Unrecognized pre-tax compensation expense | $ $ 0   $ 0    
Restricted Stock [Member]          
Shares [Abstract]          
Nonvested restricted stock outstanding, beginning balance (in shares) | shares     607,994    
Granted (in shares) | shares     135,568    
Canceled (in shares) | shares     0    
Vested (in shares) | shares     (707,654)    
Nonvested restricted stock outstanding, ending balance (in shares) | shares 35,908   35,908   607,994
Weighted Average Grant Date Fair Value [Abstract]          
Nonvested restricted stock outstanding, beginning balance (in dollars per share)     $ 1.90    
Granted (in dollars per share)     1.60    
Canceled (in dollars per share)     0    
Vested (in dollars per share)     1.82    
Nonvested restricted stock outstanding, ending balance (in dollars per share) $ 2.23   $ 2.23   $ 1.90
Recognized restricted stock expense | $ $ 100 $ 300 $ 500 $ 900  
Unrecognized restricted stock expense | $ 100   $ 100   $ 300
LTIP [Member]          
Stockholders' Equity Note Details [Abstract]          
Net share settlement for restricted stock (in shares) | shares     207,642 184,231  
Decrease in equity due to payment of tax for employee | $     $ 400 $ 400  
LTIP [Member] | June 2, 2014 [Member]          
Stockholders' Equity Note Details [Abstract]          
Vesting period of performance-based shares     3 years    
Specified operating income margin period     1 year    
LTIP [Member] | December 18, 2014 [Member]          
Stockholders' Equity Note Details [Abstract]          
Vesting period of performance-based shares     3 years    
Specified operating income margin period     1 year    
LTIP [Member] | Restricted Stock [Member]          
Weighted Average Grant Date Fair Value [Abstract]          
Outstanding restricted shares, intrinsic value | $ $ 100   $ 100    
$ 4.00-$13.99 [Member]          
Range of Exercise Prices [Abstract]          
Range of Exercise Prices, Minimum (in dollars per share)     $ 4.00    
Range of Exercise Prices, Maximum (in dollars per share)     $ 13.99    
Stock Options Outstanding [Abstract]          
Shares (in shares) | shares 91,000   91,000    
Contractual Weighted Average Life     3 years 8 months 1 day    
Weighted Average Price (in dollars per share) $ 7.79   $ 7.79    
Stock Options Exercisable [Abstract]          
Shares (in shares) | shares 91,000   91,000    
Weighted Average Exercise Price (in dollars per share) $ 3.67   $ 3.67    
$ 14.00-$19.99 [Member]          
Range of Exercise Prices [Abstract]          
Range of Exercise Prices, Minimum (in dollars per share)     14.00    
Range of Exercise Prices, Maximum (in dollars per share)     $ 19.99    
Stock Options Outstanding [Abstract]          
Shares (in shares) | shares 17,000   17,000    
Contractual Weighted Average Life     1 year 4 months 2 days    
Weighted Average Price (in dollars per share) $ 19.98   $ 19.98    
Stock Options Exercisable [Abstract]          
Shares (in shares) | shares 17,000   17,000    
Weighted Average Exercise Price (in dollars per share) $ 1.34   $ 1.34    
$ 20.00-$25.00 [Member]          
Range of Exercise Prices [Abstract]          
Range of Exercise Prices, Minimum (in dollars per share)     20.00    
Range of Exercise Prices, Maximum (in dollars per share)     $ 25.00    
Stock Options Outstanding [Abstract]          
Shares (in shares) | shares 31,000   31,000    
Contractual Weighted Average Life     2 years 1 month 6 days    
Weighted Average Price (in dollars per share) $ 20.62   $ 20.62    
Stock Options Exercisable [Abstract]          
Shares (in shares) | shares 31,000   31,000    
Weighted Average Exercise Price (in dollars per share) $ 2.10   $ 2.10