NET INCOME PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Aug. 31, 2023	Aug. 31, 2022
Net income per share:
Net income	$ 4,674	$ 589
Denominator: Weighted average shares outstanding	28,649	27,242
Dilutive effect of common equivalent shares outstanding	983	1,546
Denominator: Diluted weighted average shares outstanding	29,632	28,788
Basic net income (loss) per share	$ 0.16	$ 0.02
Diluted net income (loss) per share	$ 0.16	$ 0.02