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Organization and Summary of Significant Accounting Policies - Goodwill and Intangible Assets (Details) - USD ($) | 12 Months Ended
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Apr. 30, 2025 | Apr. 30, 2024 | Apr. 30, 2023
Finite-Lived Intangible Assets [Line Items] |  |  |
Impairment of goodwill | $ 0 | $ 0 |
Impairment of intangible assets | $ 0 | $ 0 | $ 0
Minimum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets estimated useful lives | 1 year |  |
Maximum |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets estimated useful lives | 24 years |  |

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