STOCK-BASED COMPENSATION (Details 1) - Nonvested RSU Activty shares in Thousands	3 Months Ended
	Aug. 31, 2023 $ / shares shares
Unvested May 31, 2023, beginning (in thousands) | shares	345
Shares, Vested (in thousands) | shares	(77)
Shares, Forfeited (in thousands) | shares	(52)
Unvested August 31, 2023, ending (in thousands) | shares	216
Weighted Average Grant Date Fair Value Per Share, beginning | $ / shares	$ 6.40
Vested | $ / shares	7.16
Forfeited | $ / shares	5.79
Weighted Average Grant Date Fair Value Per Share, Ending | $ / shares	$ 6.27