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OTHER ASSETS - Additional Information (Details) - USD ($)
12 Months Ended
Apr. 30, 2024
Apr. 30, 2023
Property and equipment | Right of use assets    
OTHER ASSETS    
Amortization of leased cost $ 26,000 $ 25,000
Right of use assets    
OTHER ASSETS    
Depreciation expense associated with property and equipment $ 67,000 $ 46,000