SCHEDULE OF STOCK BASED COMPENSATION EXPENSE (Details) - USD ($)	12 Months Ended
	May 31, 2024	May 31, 2023
Total stock option expense	$ 837,000	$ 1,185,000
Cost of Sales [Member]
Total stock option expense	70,000	143,000
Selling, General and Administrative Expenses [Member]
Total stock option expense	742,000	971,000
Research and Development Expense [Member]
Total stock option expense	$ 25,000	$ 71,000