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Accounts Receivable, Unbilled Services and Deferred Revenue | 12 Months Ended
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Apr. 30, 2024
Receivables [Abstract] |
Accounts Receivable, Unbilled Services and Deferred Revenue | Accounts Receivable, Unbilled Services and Deferred Revenue 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 |
Deferred revenue was as follows (in thousands):
| April 30, 2024 |  | April 30, 2023
Deferred revenue | $ | 12,094 |  |  | $ | 12,776 |
Deferred revenue is shown as a current liability on the Company's balance sheet.

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- Definition The entire disclosure for claims held for amounts due to entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/310-10/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 + Details
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