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Accrued Expenses and Other Current Liabilities - Summary of Accrued Expenses and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Apr. 30, 2026
Oct. 31, 2025
Payables and Accruals [Abstract]    
Research and development expenses $ 13,262 $ 9,397
Employee compensation and related benefits 2,150 4,053
Professional fees 847 1,229
Other 953 577
Income taxes payable   19
Total accrued expenses and other current liabilities $ 17,212 $ 15,275