EARNINGS PER SHARE - Number Of Common Shares Used As Denominator (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Earnings Per Share [Abstract]                      
(Loss) income from continuing operations                 $ (24,320) $ (19,157) $ 2,236
Loss from discontinued operations                
Net (loss) income $ (11,158) $ (2,546) $ (8,290) $ (2,326) $ (2,426) $ (16,380) $ 269 $ (620) $ (24,320) $ (19,157) $ 1,744
Common Shares:                      
Weighted average common shares outstanding (in shares)                 19,493 19,117 18,922
Dilutive effect of common stock equivalents                     346
Total                 19,493 19,117 19,268
Basic (loss) earnings per share:                      
(Loss) income from continuing operations                 $ (1.25) $ (1.00) $ 0.12
Loss from discontinued operations (in dollars per share)                     (0.03)
Net income (in dollars per share) $ (0.57) $ (0.13) $ (0.43) $ (0.12) $ (0.13) $ (0.86) $ 0.01 $ (0.03) (1.25) (1.00) 0.09
Diluted (loss) earnings per share:                      
(Loss) income from continuing operations                 (1.25) (1.00) 0.12
Loss from discontinued operations (in dollars per share)                     (0.03)
Net (loss) income (in dollars per share) $ (0.57) $ (0.13) $ (0.43) $ (0.12) $ (0.13) $ (0.86) $ 0.01 $ (0.03) $ (1.25) $ (1.00) $ 0.09