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Accrued Expenses and Other Current Liabilities - Summary of Accrued Expenses and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Apr. 30, 2024
Oct. 31, 2023
Payables and Accruals [Abstract]    
Accrued research and development expenses $ 2,427 $ 759
Professional fees 1,427 1,708
Employee compensation and related benefits 1,511 814
Accrued income tax payable 30 39
Other 272 219
Total accrued expenses and other current liabilities $ 5,667 $ 3,539