STOCKBASED COMPENSATION (Details 3) - Outstanding Options Stock Option Transactions $ / shares in Units, $ in Thousands	3 Months Ended
	Aug. 31, 2022 USD ($) $ / shares shares
Options outstanding, beginning (in thousands) | shares	1,597
Options granted (in thousands) | shares	103
Options cancelled (in thousands) | shares	(6)
Options exercised (in thousands) | shares	(102)
Options outstanding, ending (in thousands) | shares	1,592
Options fully vested and expected to vest (in thousands) | shares	1,569
Weighted average exercise price outstanding, beginning | $ / shares	$ 2.70
Weighted average exercise price granted | $ / shares	8.00
Weighted average exercise price cancelled | $ / shares	2.41
Weighted average exercise price exercised | $ / shares	2.00
Weighted average exercise price outstanding, ending | $ / shares	3.08
Weighted average exercise price fully vested and expected to vest | $ / shares	$ 3.08
Aggregate intrinsic value, beginning | $	$ 9,290
Aggregate intrinsic value, ending | $	18,287
Aggregate intrinsic value for options fully vested and expected to vest | $	$ 18,030