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LEASE COMMITMENTS (Details) - USD ($)
 12 Months Ended
Apr. 30, 2023
Apr. 30, 2022
Other Commitments [Line Items]    
Operating lease, right-of-use assets $ 93,000 $ 118,000
Operating Lease, Liability, Statement of Financial Position Accounts payable and accrued expenses Accounts payable and accrued expenses
Operating Lease, Right-of-Use Asset, Statement of Financial Position Other assets Other assets
Operating Lease Liability $ 95,000 $ 117,000
Operating Leases, Rent Expense 56,000 $ 30,000
2024 26,000  
2025 27,000  
2026 29,000  
After 2026 9,000  
Present value of lease liabilities $ 83,000  
Weighted average remaining lease term of operating lease 3 years 4 months 2 days 4 years 4 months 2 days
Weighted average discount rate of operating lease 5.50% 5.50%
Minimum    
Other Commitments [Line Items]    
Non-cancelable operating lease term (in years) 2 years  
Maximum    
Other Commitments [Line Items]    
Non-cancelable operating lease term (in years) 5 years