LEASES (Details) - Supplemental cash flow information related to leases	6 Months Ended
	Nov. 30, 2022 USD ($)
Supplemental Cash Flow Information Related To Leases Abstract
Operating cash flows from operating leases	$ 174,322
Right-of-use assets obtained in exchange for new operating lease liabilities
Weighted average remaining lease term (in years)	3 years 9 months 7 days
Weighted average discount rate	6.50%