EARNINGS (LOSS) PER SHARE (Computation of basic and diluted earnings (loss) per share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Earnings (loss) per share (EPS):
Income (loss) from continuing operations (in dollars per share)	$ (0.04)	$ (0.10)
Income (loss) from discontinued operations (in dollars per share)	0.00	0.00
Basic and diluted earnings (loss) per share	$ (0.04)	$ (0.10)
EPS numerator - basic and diluted:
Income (loss) from continuing operations	$ (1,349)	$ (3,570)
Income (loss) from discontinued operations, net of income taxes	35	83
Net income (loss)	$ (1,314)	$ (3,487)
EPS denominator:
Weighted-average common stock outstanding - basic (in shares)	32,161	34,631
Common stock equivalents: stock options and other stock-based awards (a)	0	0
Weighted-average number of common stock outstanding - diluted (in shares)	32,161	34,631