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ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details) - USD ($)
$ in Thousands
Jan. 31, 2021
Apr. 30, 2020
ACCOUNTS PAYABLE AND ACCRUED EXPENSES    
Total $ 4,076 $ 3,125
Real estate operations    
ACCOUNTS PAYABLE AND ACCRUED EXPENSES    
Accrued expenses 930 518
Trade payables 649 1,146
Real estate customer deposits 1,795 1,117
Other 76  
Total 3,450 2,781
Corporate    
ACCOUNTS PAYABLE AND ACCRUED EXPENSES    
Total $ 626 $ 344