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LEASES (Details) - USD ($)
9 Months Ended
Feb. 28, 2023
Feb. 28, 2022
Building In Irvine California [Member]    
LEASES (Details) [Line Items]    
Operating Lease, Payments $ 26,000  
Security Deposit 22,000  
Lease by Mexican Subsidiary [Member]    
LEASES (Details) [Line Items]    
Operating Lease, Payments 3,600  
United States Facility [Member]    
LEASES (Details) [Line Items]    
Operating Lease, Payments 230,000 $ 230,000
Mexico Facility [Member]    
LEASES (Details) [Line Items]    
Operating Lease, Payments $ 32,000 $ 31,000