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EMPLOYEE STOCK PLANS (Details Narrative) - USD ($) $ in Millions	12 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2022	Oct. 23, 2023
Total intrinsic values of options exercised	$ 9.5	$ 17.1	$ 12.5
Stock based compensation expenses	0.3	0.1
Employee Stock Purchase Plan
Stock based compensation expenses	0.8	0.8	0.9
Unrecognized stock-based compensation	$ 1.1
Common stock reserved for issuance	326,000
Weighted average period for recognition of costs	1 year 2 months 12 days
Stock-based compensation related to the ESOP	$ 0.3	$ 0.3	$ 0.3
ESPP shares issued	72,000	211,000	178,000
Contributed share ESOP	9,085	29,832	26,666
RSU, PRSU and Restricted stock awards Member
Stock based compensation expenses	$ 1.3
Weighted Average Remaining Contractual Term	2 years 3 months 14 days
Performance-based awards	88,000
Unrecognized stock-based compensation	$ 3.9
Stock Option
Stock based compensation expenses	$ 0.4
Weighted average remaining contractual term	3 years 3 months 3 days
RSUs cancelled (in thousands)	0
Unrecognized stock-based compensation	$ 0.9
2016 Equity Incentive Plan
Common stock reserved for issuance	4,848,000
2023 Equity Incentive Plan
Common stock reserved for issuance				1,500,000

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