Income Taxes (Tables)

12 Months Ended

Oct. 31, 2023

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,
	2023			2022
Domestic (Canada)	$	(99,157	)	$	(23,965	)
Foreign (US)		(743	)		(475	)
Loss before provision for income taxes	$	(99,900	)	$	(24,440	)

Summary Of Components Of The Provision For Income Taxes

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

	Year ended October 31,
	2023		2022
Current expense (benefit):
Domestic (Canada)	$	—	$	—
Foreign (US)		17		22
Total current expense (benefit)		17		22
Deferred expense (benefit)
Domestic (Canada)		—		—
Foreign (US)		—		—
Total deferred tax expense (benefit)		—		—
Total income tax expense (benefit)	$	17	$	22

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,
	2023			2022
Income at Canada statutory rate		26.50	%		26.50	%
Conversion of debentures		(21.90	)%		—
State taxes, net of federal benefit		0.05	%		0.12	%
Permanent differences		1.68	%		(3.90	)%
Tax credits		0.19	%		0.29	%
Foreign rate differential		(0.04	)%		(0.11	)%
Valuation allowance		(6.52	)%		(22.86	)%
Other		0.03	%		(0.14	)%
		(0.01	)%		(0.09	)%

Summary Of Net Deferred Income Tax

The net deferred income tax balances related to the following:

	October 31,
	2023		2022
Deferred tax assets:
R&D expenditures		7,012		6,441
Net operating loss (NOL) carryforwards		18,918		13,862
ITC credits		1,210		963
Property and equipment		791		742
Convertible debenture embedded derivative liabilities		—		13
Financing costs		2,440		—
Accruals		149		101
Section 174 capitalized R&D costs		393		—
Other		172		—
Total deferred tax assets		31,085		22,122

	October 31,
	2023			2022
Valuation allowance		(31,085	)		(22,048	)
Net deferred tax assets (liability)		—			74
Deferred tax liabilities:
Convertible debentures		—			(9	)
Other		—			(65	)
Total deferred tax liabilities		—			(74	)
Net deferred tax assets (liability)		—			—