EARNINGS (LOSS) PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
EARNINGS (LOSS) PER SHARE
Net loss	$ (14,106)	$ (12,336)	$ (14,020)	$ (19,347)
Net loss allocated to common shares, Basic	(14,106)	(12,336)	(14,020)	(19,347)
Net loss allocated to common shares, Diluted	$ (14,106)	$ (12,336)	$ (14,020)	$ (19,347)
Basic Weighted-Average Shares Outstanding	12,085	11,967	12,045	11,935
Diluted Weighted-Average Shares Outstanding	12,085	11,967	12,045	11,935
Loss Per Share, Basic	$ (1.17)	$ (1.03)	$ (1.16)	$ (1.62)
Loss Per Share, Diluted	$ (1.17)	$ (1.03)	$ (1.16)	$ (1.62)