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OTHER ASSETS (Details) - USD ($)
$ in Thousands
Apr. 30, 2023
Apr. 30, 2022
OTHER ASSETS    
Prepaid expenses $ 1,536 $ 366
Miscellaneous assets 362 249
Less accumulated depreciation of property and equipment (266) (220)
Property and equipment, net 1,351 1,267
Total 3,249 1,882
Property    
OTHER ASSETS    
Property and equipment 1,251 1,247
Equipment    
OTHER ASSETS    
Property and equipment $ 366 $ 240