EARNINGS (LOSS) PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
EARNINGS (LOSS) PER SHARE
Net (loss)/income	$ 86	$ (7,011)
Net income allocated to restricted stock, Basic	(5)
Net income allocated to restricted stock, Diluted	(5)
Net income/(loss) allocated to common shares, Basic	81	(7,011)
Net income/(loss) allocated to common shares, Diluted	$ 81	$ (7,011)
Basic Weighted-Average Shares Outstanding	12,004	11,902
Dilutive effect of stock options and ESPP	13
Diluted Weighted-Average Shares Outstanding	12,017	11,902
Earnings/(Loss) Per Share, Basic	$ 0.01	$ (0.59)
Earnings/(Loss) Per Share, Diluted	$ 0.01	$ (0.59)