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Accounts Receivable, Unbilled Services and Deferred Revenue (Tables) | 12 Months Ended
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Apr. 30, 2024
Receivables [Abstract] |
Summary of Accounts Receivable, Unbilled Services, and Advanced Billings | Accounts receivable and unbilled services were as follows (in thousands):
| April 30, 2024 |  | April 30, 2023 |  | April 30, 2022
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 |
Summary of Advanced Billings | Deferred revenue was as follows (in thousands):
| April 30, 2024 |  | April 30, 2023
Deferred revenue | $ | 12,094 |  |  | $ | 12,776 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details
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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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