STOCKHOLDERS' EQUITY (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended |
Jun. 30, 2018USD ($)$ / sharesshares | Jun. 30, 2017USD ($) | Jun. 30, 2018USD ($)Plan$ / sharesshares | Jun. 30, 2017USD ($)shares | Dec. 31, 2017USD ($)$ / sharesshares |
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 3 months 14 days | | 2 years 11 months 19 days |
Vested or expected to vest | | | 3 years 3 months 14 days | | |
Exercisable | | | 3 years 3 months 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 3 months 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) | $ 3.29 | | $ 3.29 | | |
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 | $ 700 | |
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 | | |
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 11 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) | $ 3.92 | | $ 3.92 | | |
$ 14.00-$19.99 [Member] | | | | | |
Range of Exercise Prices [Abstract] | | | | | |
Range of Exercise Prices, Minimum (in dollars per share) | | | 14 | | |
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 7 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) | $ 1.59 | | $ 1.59 | | |
$ 20.00-$25.00 [Member] | | | | | |
Range of Exercise Prices [Abstract] | | | | | |
Range of Exercise Prices, Minimum (in dollars per share) | | | 20 | | |
Range of Exercise Prices, Maximum (in dollars per share) | | | $ 25 | | |
Stock Options Outstanding [Abstract] | | | | | |
Shares (in shares) | shares | 31,000 | | 31,000 | | |
Contractual Weighted Average Life | | | 2 years 4 months 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) | $ 2.35 | | $ 2.35 | | |