Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

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% (2021 and 2020 – 27%) to loss before income taxes as shown in the following table:

	Year Ended December 31,
	2022			2021			2020
Computed recoveries at Canadian federal and    provincial tax rates	$	(33,819	)	$	(21,300	)	$	(7,856	)
Change in valuation allowance		30,732			21,354			7,821
Tax credits earned		(3,086	)		(2,279	)		(1,689	)
Tax attributes expired/utilized		1,564			692			764
Non-deductible expenditures		4,463			2,033			1,135
Other		264			(506	)		(432	)
Income tax expense (recovery)	$	118		$	(6	)	$	(257	)

Schedule of Net Deferred Income Tax Assets

	December 31,
	2022			2021			2020
Scientific research and experimental development pool	$	34,891		$	32,505		$	29,580
Tax credits		28,835			27,365			25,440
Non-capital losses		80,547			53,453			35,803
Depreciable assets		8,912			7,667			6,635
Deferred financing fees		8,928			7,252			1,689
Deferred revenue		-			-		983
Stock based compensation		1,492			585		334
Other		1,569			732		170
Less - valuation allowance		(164,665	)		(129,094	)		(100,111	)
Net deferred income tax assets	$	509		$	465		$	523