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Organization and Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
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Apr. 30, 2025 | Jul. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Letter of credit | $ 0.4 |
Letter of credit irrevocable term |  | 1 year

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