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		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings (loss) per share (EPS):
Basic (in dollars per share)	$ 1.02	$ (0.04)	$ 2.04	$ (0.11)
Diluted (in dollars per share)	$ 0.98	$ (0.04)	$ 1.95	$ (0.11)
Net income (loss)	$ 3,093	$ (122)	$ 6,112	$ (325)
EPS denominator:
Weighted-average common stock outstanding - basic (in shares)	3,028	2,906	2,997	2,899
Common stock equivalents: stock options and restricted stock units	118	0	135	0
Weighted-average number of common stock outstanding - diluted (in shares)	3,146	2,906	3,132	2,899