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
EARNINGS PER SHARE
Net income (loss)	$ (307)	$ (53)	$ (1,911)	$ 342
Denominator for basic earnings (loss) per share: Weighted-average shares	9,235	9,020	9,121	8,914
Employee stock options and awards	$ 0	$ 0	$ 0	$ 151
Denominator for diluted earnings (loss) per share: adjusted weighted-average shares and assumed conversions of stock options	9,235	9,020	9,121	9,065
Basic earnings (loss) per share	$ (0.03)	$ (0.01)	$ (0.21)	$ 0.04
Diluted earnings (loss) per share	$ (0.03)	$ (0.01)	$ (0.21)	$ 0.04