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NOTES PAYABLE - Additional information (Details) - USD ($)
6 Months Ended
Oct. 31, 2022
Jun. 30, 2022
Apr. 30, 2022
NOTES PAYABLE      
Outstanding Principal Amount $ 252,000   $ 2,030,000
Revolving Line of Credit      
NOTES PAYABLE      
Outstanding Principal Amount $ 0   0
Interest Rate 6.91%    
Debt Instrument, Face Amount $ 1,323,000    
Principal repayments 250,000    
Revolving Line of Credit | Loan Agreement      
NOTES PAYABLE      
Outstanding Principal Amount 5,750,000    
Debt Instrument, Face Amount 4,000,000    
Maximum amount for use with credit card $ 1,750,000    
Revolving Line of Credit | Loan Agreement | LIBOR      
NOTES PAYABLE      
Interest rate period 1 month    
Line of credit facility, interest rate during period 3.15%    
La Mirada      
NOTES PAYABLE      
Outstanding Principal Amount $ 204,000   2,030,000
Interest Rate 6.14%    
Debt Instrument, Face Amount $ 2,364,000    
Equipment Financing      
NOTES PAYABLE      
Outstanding Principal Amount $ 48,000 $ 50,000 $ 0
Interest Rate 2.35% 2.35%