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Schedule of Significant Changes in Contract Assets (Details) - USD ($)
$ in Thousands
3 Months Ended
Jul. 31, 2025
Jul. 31, 2024
Accounts Receivable Contract Assets And Contract Liabilities    
Transferred to receivables from contract assets recognized $ (644) $ (104)
Revenue recognized and not billed 111 563
Net change in contract assets $ (533) $ 459