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NET (LOSS) INCOME PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Net (loss) income	$ (9,017)	$ (5,228)	$ 1,500	$ 993	$ (14,245)	$ 2,493
Weighted average common shares outstanding:
Basic	23,525,728		23,339,644		23,501,900	23,313,383
Dilutive common stock options, restricted stock unit awards and restricted stock awards			208,609			186,726
Diluted	23,525,728		23,548,253		23,501,900	23,500,109
Basic (loss) income per share of common stock	$ (0.38)		$ 0.06		$ (0.61)	$ 0.11
Diluted (loss) income per share of common stock	$ (0.38)		$ 0.06		$ (0.61)	$ 0.11
Restricted stock units
Weighted average common shares outstanding:
Dilutive common stock options, restricted stock unit awards and restricted stock awards			208,609			186,726
Stock options
Weighted average common shares outstanding:
Dilutive common stock options, restricted stock unit awards and restricted stock awards			0			0
Restricted stock awards
Weighted average common shares outstanding:
Dilutive common stock options, restricted stock unit awards and restricted stock awards			0			0

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