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RESTRICTED CASH (Details) - Reconciliation of Cash and Cash Equivalents And Restricted Cash - USD ($)
$ in Thousands
Jul. 31, 2024
Apr. 30, 2024
Jul. 31, 2023
Apr. 30, 2023
Reconciliation Of Cash And Cash Equivalents And Restricted Cash Abstract        
Cash and cash equivalents $ 16,201 $ 18,320    
Restricted cash 1,217 945    
Total cash and cash equivalents and restricted cash $ 17,418 $ 19,265 $ 9,061 $ 12,049