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Accrued Expenses and Other Current Liabilities - Summary of Accrued Expenses and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Oct. 31, 2023
Oct. 31, 2022
Payables and Accruals [Abstract]    
Accrued research and development expenses $ 759 $ 1,845
Professional fees 1,708 573
Employee compensation and related benefits 814 676
Accrued income tax payable 39 22
Other 219 0
Total accrued expenses and other current liabilities $ 3,539 $ 3,116