Income Taxes (Tables)

12 Months Ended

Dec. 31, 2025

Income Tax Disclosure [Abstract]

Schedule of Loss before Income Taxes

Loss before income taxes for the years ended December 31, 2025, 2024 and 2023 was as follows:

	Year Ended December 31,
	2025			2024			2023
Canada	$	(351,065	)	$	(243,410	)	$	(174,491	)
United States		6,171			4,991			(8,194	)
Loss before income taxes	$	(344,894	)	$	(238,419	)	$	(182,685	)

Schedule of Income Tax Recovery (Expense)

The income tax recovery (expense) is allocated as follows:

	Year Ended December 31,
	2025			2024			2023
Current:
Canada	$	—		$	—		$	—
United States		(4,214	)		(4,775	)		—
		(4,214	)		(4,775	)		—
Deferred:
Canada		—			—			—
United States		3,198			8,864			292
		3,198			8,864			292
Income tax recovery (expense)	$	(1,016	)	$	4,089		$	292

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the expected Canadian statutory income tax rate to the effective income tax rate for the year ended December 31, 2025 is as follows:

	Year Ended December 31, 2025
	Amount			Percent
Canadian federal statutory tax rate	$	(51,734	)		15.0	%
Foreign tax effects
United States
Other		90			(0.0	%)
Effects of cross-border tax laws
Foreign accrual property income		3,074			(0.9	%)
Change in valuation allowance		44,108			(12.8	%)
Non-taxable or non-deductible items
Stock-based compensation		4,156			(1.2	%)
Other		1,322			(0.4	%)
Effective income tax rate	$	1,016			(0.3	%)

A reconciliation of the expected Canadian statutory income tax rate to the effective income tax rate for the years ended December 31, 2024 and 2023 is as follows:

	Year Ended December 31,
	2024			2023
Tax at statutory income tax rate		27.0	%		27.0	%
Change in valuation allowance		(22.0	%)		(24.0	%)
Research and development and other credits		1.3	%		1.6	%
Tax attributes expired/utilized		(1.1	%)		(0.8	%)
Stock-based compensation		(3.4	%)		(3.2	%)
Other non-deductible expenses		(0.4	%)		(0.3	%)
Other		0.3	%		(0.1	%)
Effective income tax rate		1.7	%		0.2	%

Schedule of Net Deferred Income Tax Assets

The significant components of the Company’s net deferred income tax assets are as follows:

	December 31,
	2025			2024
Deferred income tax assets:
Research and development tax credits	$	46,535		$	42,830
Investment tax credits		30,770			29,818
Non-capital losses		251,701			173,352
Depreciable assets		13,665			13,269
Deferred financing fees		3,943			6,967
Stock-based compensation		10,836			8,380
Operating lease liability		2,018			2,299
Other		1,904			1,704
Total deferred income tax assets		361,372			278,619
Less - valuation allowance		(346,794	)		(266,856	)
Total deferred income tax assets, net of valuation allowance		14,578			11,763
Deferred tax liability:
Operating lease right-of-use asset		(1,714	)		(2,097	)
Net deferred income tax assets	$	12,864		$	9,666

Schedule of Income Tax Paid Net of Refunds

Income taxes paid, net of refunds, for the year ended December 31, 2025 is as follows:

	Year Ended December 31, 2025
Canada	$	—
United States		8,423
Total	$	8,423

Schedule of Unrecognized Tax Benefits

A reconciliation of unrecognized tax benefits is as follows:

Outstanding, December 31, 2024	$	10,850
Increase related to prior year tax positions		2,456
Increase related to current tax positions		—
Lapses of statute of limitations		(5	)
Outstanding, December 31, 2025	$	13,301