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OTHER ASSETS - Additional Information (Details) - USD ($)
3 Months Ended
Jul. 31, 2024
Jul. 31, 2023
OTHER ASSETS    
Depreciation $ 48,000 $ 32,000
Property and equipment    
OTHER ASSETS    
Depreciation 24,000 12,000
Right of use assets    
OTHER ASSETS    
Amortization of leased cost $ 7,000 $ 6,000