v3.26.1
OTHER ASSETS - Additional Information (Details)
12 Months Ended
Apr. 30, 2026
USD ($)
ft²
Apr. 30, 2025
USD ($)
OTHER ASSETS    
Depreciation expense $ 312,000 $ 179,000
Use rights    
OTHER ASSETS    
Amortization of lease cost 30,000 28,000
Property and equipment    
OTHER ASSETS    
Depreciation expense $ 145,000 $ 102,000
Office building    
OTHER ASSETS    
Area of property | ft² 7,000