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
	Mar. 31, 2022	Mar. 31, 2021
EPS - basic and diluted:
Basic (in dollars per share)	$ 1.02	$ (0.07)
Diluted (in dollars per share)	$ 0.97	$ (0.07)
EPS numerator - basic and diluted:
Net income (loss)	$ 3,019	$ (203)
EPS denominator:
Weighted-average common stock outstanding - basic (in shares)	2,967	2,891
Common stock equivalents: stock options and restricted stock units (in shares)	150	0
Weighted-average number of common stock outstanding - diluted (in shares)	3,117	2,891