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		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
EPS - basic:
Earnings (loss) per share from continuing operations	$ 0.11	$ (0.25)	$ (0.74)	$ (1.55)
Earnings (loss) per share from discontinued operations	0.01	(0.01)	(0.04)	4.14
Earnings (loss) per share	0.12	(0.26)	(0.77)	2.59
EPS - diluted:
Earnings (loss) per share from continuing operations	0.11	(0.25)	(0.74)	(1.55)
Earnings (loss) per share from discontinued operations	0.01	(0.01)	(0.04)	4.14
Earnings (loss) per share	$ 0.12	$ (0.26)	$ (0.77)	$ 2.59
EPS numerator - basic and diluted:
Income (loss) from continuing operations	$ 346	$ (823)	$ (2,325)	$ (5,073)
Income (loss) from discontinued operations, net of income taxes	18	(47)	(113)	13,560
Net income (loss)	$ 364	$ (870)	$ (2,438)	$ 8,487
EPS denominator:
Weighted-average common stock outstanding - basic (in shares)	3,082	3,310	3,150	3,275
Common stock equivalents: stock options and restricted stock units	36	0	0	0
Weighted-average number of common stock outstanding - diluted (in shares)	3,118	3,310	3,150	3,275