Property and Equipment, Net - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Apr. 30, 2026	Oct. 31, 2025
Property, Plant and Equipment [Line Items]
Property and equipment	$ 4,790	$ 4,580
Less: Accumulated depreciation and amortization	2,455	2,103
Property and equipment, net	2,335	2,477
Lab Equipment
Property, Plant and Equipment [Line Items]
Property and equipment	3,249	3,134
Office Furniture
Property, Plant and Equipment [Line Items]
Property and equipment	879	871
Computer Equipment
Property, Plant and Equipment [Line Items]
Property and equipment	298	169
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Property and equipment	220	262
Computer Software
Property, Plant and Equipment [Line Items]
Property and equipment	$ 144	$ 144

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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