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ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details) - USD ($)
$ in Thousands
Jan. 31, 2022
Apr. 30, 2021
ACCOUNTS PAYABLE AND ACCRUED EXPENSES    
Total $ 4,196 $ 4,458
Real estate operations    
ACCOUNTS PAYABLE AND ACCRUED EXPENSES    
Accrued expenses 970 658
Trade payables 1,486 1,377
Real estate customer deposits 1,373 1,769
Total 3,829 3,804
Corporate    
ACCOUNTS PAYABLE AND ACCRUED EXPENSES    
Total $ 367 $ 654