Accounts Receivable, Unbilled Services and Deferred Revenue - Schedule of Accounts Receivable, Allowance For Credit Loss (Details) $ in Thousands	9 Months Ended
	Jan. 31, 2025 USD ($)
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable, allowance for doubtful accounts and estimated credit losses, beginning balance	$ 1,301
Plus: Provision for credit losses and doubtful accounts	16
Less: Reversal of provision for credit losses and doubtful accounts, net	(209)
Less: Reversal for amounts subsequently collected	(71)
Less: Write offs	(56)
Accounts receivable, allowance for doubtful accounts and estimated credit losses, ending balance	$ 981