LEASES (Details) - Supplemental cash flow information related to leases	9 Months Ended
	Feb. 28, 2023 USD ($)
Supplemental Cash Flow Information Related To Leases Abstract
Operating cash flows from operating leases	$ 263,000
Right-of-use assets obtained in exchange for new operating lease liabilities
Weighted average remaining lease term (in years)	3 years 6 months 10 days
Weighted average discount rate	6.50%