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Income Taxes - Summary of Reconciliation of Company's Statutory Income Tax Rate (Details)	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024
Income Tax Disclosure [Abstract]
Income at Canadian statutory rate	26.50%	26.50%
State taxes, net of federal benefit	0.66%	0.18%
Permanent differences	(0.29%)	(2.77%)
Tax credits	0.60%	1.07%
Foreign rate differential	(0.64%)	(0.17%)
Valuation allowance	(26.82%)	(25.02%)
Other	(0.01%)	0.24%
Effective income tax rate	(0.00%)	0.03%

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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