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OTHER ASSETS (Details) - USD ($)
Apr. 30, 2022
Apr. 30, 2021
Prepaid expenses $ 366,000 $ 324,000
Receivables 50,000 37,000
Right-of-use assets associated with leases of office facilities, net $ 118,000 $ 84,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other Assets Other Assets
Miscellaneous assets $ 81,000 $ 172,000
Property and equipment, net 1,267,000 28,000
Other Assets 1,882,000 645,000
Equipment [Member]    
Property and equipment 240,000 222,000
Less accumulated depreciation (220,000) (194,000)
Property [Member]    
Property and equipment $ 1,247,000 $ 0