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Accrued Expenses and Other Current Liabilities - Summary of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands | Oct. 31, 2025 | Oct. 31, 2024
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Payables and Accruals [Abstract] |  |
Accrued research and development expenses | $ 9,397 | $ 3,773
Employee compensation and related benefits | 4,053 | 3,475
Professional fees | 1,229 | 824
Accrued income tax payable | 19 |
Accrued financing costs |  | 3,831
Other | 577 | 225
Total accrued expenses and other current liabilities | $ 15,275 | $ 12,128

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