NET LOSS PER SHARE (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Weighted average common shares outstanding        
Basic (in shares) 19,555 19,449 19,539 19,413
Dilutive effect of common stock equivalents
Diluted (in shares) 19,555 19,449 19,539 19,413
Anti-dilutive equity-based compensation awards 1,178 2,158 1,122 2,158