Income Taxes - Summary of Net Deferred Income Tax (Details) - USD ($) $ in Thousands	Oct. 31, 2025	Oct. 31, 2024
Deferred tax assets:
R&D expenditures	$ 10,021	$ 8,172
Net operating loss (NOL) carryforwards	61,127	31,661
Capital loss carryforwards	285	97
Investment tax credits, net	2,688	1,934
Property and equipment	270	704
Financing costs	4,000	5,452
Accruals	924	747
Operating lease liability	2,270	404
Note payable	15	197
Stock-based compensation	894
Other		1
Total deferred tax assets	82,494	49,369
Deferred tax liabilities:
Operating lease-right of use asset	(2,068)	(377)
Total deferred tax liabilities	(2,068)	(377)
Valuation allowance	$ (80,426)	$ (48,992)

Deferred tax assets financing costs.

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Deferred tax assets, note payable

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Deferred tax assets, operating lease liability.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from in-process research and development cost acquired in business combination or from joint venture formation or both.

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