Accounts Receivable, Unbilled Services and Deferred Revenue - Summary of Accounts Receivable and Unbilled Services (Details) - USD ($) $ in Thousands	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2022
Receivables [Abstract]
Accounts receivable	$ 4,886	$ 3,843	$ 6,037
Unbilled services	5,941	4,993	4,106
Total accounts receivable and unbilled services	10,827	8,836	10,143
Less: allowance for doubtful accounts and estimated credit losses	(1,301)	(825)	(630)
Total accounts receivable, net	$ 9,526	$ 8,011	$ 9,513

Accounts Receivable, Excluding Unbilled Receivables, Current

No definition available.

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- Definition

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
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- Definition

Amount of allowance for credit loss on accounts receivable, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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- References

No definition available.

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- Definition

Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.

+ References

No definition available.

+ Details

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