Income Taxes - Net Deferred Income Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Scientific research and experimental development pool	$ 32,505	$ 29,580
Investment tax credits	27,271	25,411
Non-capital losses	53,453	35,803
Depreciable assets	7,667	6,635
Deferred financing fees	7,252	1,689
Deferred revenue		983
Other	826	533
Less - valuation allowance	(128,509)	(100,111)
Net deferred income tax assets	$ 465	$ 523

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax asset attributable to taxable temporary differences from deferred financing costs.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences Scientific Research and Development expenditures.

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