NET INCOME (LOSS) PER SHARE - Calculation of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
NET INCOME (LOSS) PER SHARE:
Net income (loss)	$ 2,206	$ (4,972)	$ 3,518	$ 2,218
Basic weighted average shares outstanding	38,710	38,187	38,542	37,930
Effect of dilutive stock options, unvested restricted stock units, and shares of common stock expected to be issued under Employee Purchase Plan	395		486	1,047
Diluted weighted average shares outstanding	39,105	38,187	39,028	38,977
Basic	$ 0.06	$ (0.13)	$ 0.09	$ 0.06
Diluted	$ 0.06	$ (0.13)	$ 0.09	$ 0.06