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OTHER ASSETS (Details) - USD ($)
$ in Thousands
Jul. 31, 2023
Apr. 30, 2023
OTHER ASSETS    
Prepaid expenses $ 882 $ 1,536
Miscellaneous assets 302 362
Less accumulated depreciation of property and equipment (278) (266)
Property and equipment, net 1,378 1,351
Total 2,562 3,249
Property    
OTHER ASSETS    
Property and equipment 1,260 1,251
Equipment    
OTHER ASSETS    
Property and equipment $ 396 $ 366