LEASES (Details Narrative) - USD ($)	3 Months Ended		9 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2023	Feb. 28, 2022
Operating lease, weighted-average discount rate	7.50%		7.50%
Operating lease, weighted-average remaining lease term	7 years 6 months		7 years 6 months
Operating lease, cost	$ 256,000	$ 191,000	$ 634,000	$ 576,000
Increase in operating lease liabilities			$ 5,900,000
Maximum [Member]
Operating lease term	1 year		1 year
Minimum [Member]
Operating lease term	8 years		8 years