Income Taxes (Tables)

12 Months Ended

Dec. 31, 2021

Income Tax Disclosure [Abstract]

Schedule of Income Tax Recovery

Income tax recovery varies from the amounts that would be computed by applying the expected Canadian federal and provincial statutory income tax rate of 27% (2020 – 27%) to loss before income taxes as shown in the following table:

	Year Ended December 31,
	2021			2020
Computed recoveries at Canadian federal and    provincial tax rates	$	(21,300	)	$	(7,856	)
Change in valuation allowance		21,354			7,821
Investment tax credits earned		(2,279	)		(1,689	)
Tax attributes expired/utilized		692			764
Non-deductible expenditures		2,033			1,135
Other		(506	)		(432	)
Income tax recovery	$	(6	)	$	(257	)

Schedule of Net Deferred Income Tax Assets

	December 31,
	2021			2020
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