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Income Taxes (Tables)

12 Months Ended

Oct. 31, 2025

Income Tax Disclosure [Abstract]

Summary of Loss Before Provision for Income Taxes

Loss before provision for income taxes consisted of the following:

		Year ended October 31,
		2025				2024
Domestic (Canada)		$	(103,727	)		$	(53,460	)
Foreign (US)			(13,575	)			(1,701	)
Loss before income taxes		$	(117,302	)		$	(55,161	)

Summary Of Components Of The Provision For (Recovery Of) Income Taxes

The components of the provision for (recovery of) income taxes is as follows:

		Year ended October 31,
		2025				2024
Current expense (benefit):
Domestic (Canada)		$	—			$	—
Foreign (US)			—				(19	)
Total current expense (benefit)			—				(19	)
Deferred expense (benefit)
Domestic (Canada)			—				—
Foreign (US)			—				—
Total deferred tax expense (benefit)			—				—
Total income tax expense (benefit)		$	—			$	(19	)

Summary Of Reconciliation Of Company's Statutory Income Tax Rate

A reconciliation of the Company's statutory income tax rate to the Company's effective income tax rate is as follows:

		Year ended October 31,
		2025				2024
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	%
			(0.00	)%			0.03	%

Summary Of Net Deferred Income Tax

The net deferred income tax balances related to the following:

		October 31,
		2025				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	)
Net deferred tax assets (liability)			—				—

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Publisher FASB
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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

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-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 231
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-231

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Tabular disclosure of income before income tax between domestic and foreign jurisdictions.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
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-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
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