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Organization, Use of Estimates and Basis of Presentation (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Oct. 31, 2024 USD ($) | Oct. 31, 2023 USD ($) | Oct. 31, 2024 USD ($) subsidiary segment | Oct. 31, 2023 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |
Number of operating subsidiaries | subsidiary |  |  | 4 |
Number of reportable segments | segment |  |  | 1 |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 13,489 | $ 11,573 | $ 27,550 | $ 24,134
Operating Subsidiaries |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 0 | $ 0 | $ 0 | $ 0

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