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OTHER ASSETS (Details) - USD ($)
$ in Thousands
Jan. 31, 2023
Apr. 30, 2022
OTHER ASSETS    
Prepaid expenses $ 1,285 $ 366
Miscellaneous assets 302 249
Less accumulated depreciation (254) (220)
Property and equipment, net 1,357 1,267
Other Assets 2,944 1,882
Property    
OTHER ASSETS    
Property and equipment 1,250 1,247
Equipment    
OTHER ASSETS    
Property and equipment $ 361 $ 240