SCHEDULE OF ACTIVITY TO AGGREGATE STOCK OPTIONS (Details) - USD ($)	12 Months Ended
	May 31, 2023	May 31, 2022
Equity [Abstract]
Options Outstanding, shares	2,321,616	2,081,366
Options Outstanding Weighted Average Exercise Price	$ 3.72	$ 3.59
Options outstanding, Aggregate Intrinsic Value	$ 1,838,000	$ 2,132,000
Options granted, shares	243,000	344,000
Options Granted Weighted Average Exercise Price	$ 2.70	$ 4.43
Options exercised, shares	(46,500)	(39,500)
Options Exercised Weighted Average Exercise Price	$ 1.73	$ 1.99
Options exercised, Aggregate IntrinsicValue	$ 90,000	$ 90,000
Options cancelled or expired, shares	(175,500)	(64,250)
Options canceled or expired Weighted Average Exercise Price	$ 5.56	$ 4.41
Options Outstanding, shares	2,342,616	2,321,616
Options Outstanding Weighted Average Exercise Price	$ 3.52	$ 3.72
Options outstanding, Aggregate Intrinsic Value	$ 146,000	$ 1,838,000
Options vested and exercisable, shares	1,841,933
Options vested and exercisable Weighted Average Exercise Price	$ 3.38
Options vested and exercisable Aggregate Intrinsic Value	$ 146,000