Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	12 Months Ended
	Oct. 31, 2024	Oct. 31, 2023
Summary of Significant Accounting Policies [Line Items]
Exchange ratio	0.18048%	0.18048%
Off-balance sheet concentrations of credit risk description	As of October 31, 2024 and 2023, the Company had no off-balance sheet concentrations of credit risk
Off-balance sheet concentrations of credit risk	$ 0	$ 0
Cash and cash equivalents	173,004,000	81,521,000
Cash		81,500,000
Restricted investments	$ 72,000	76,000
Percentage of tax benefit to be realized for recognition in the income statement	50.00%
Transaction costs as part of reverse recapitalization and pipe financing	$ 11,300,000
Transaction costs related to issuance of notes	800,000
Research and development investment tax credits	$ 400,000	$ 1,100,000
ASU 2016-13
Summary of Significant Accounting Policies [Line Items]
Change in Accounting Principle, Accounting Standards Update, Adopted	true
Change in Accounting Principle, Accounting Standards Update, Adoption Date	Nov. 01, 2023
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect	true