Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Schedule of Income Tax (Recovery) Expense

Income tax (recovery) expense varies from the amounts that would be computed by applying the expected Canadian and provincial statutory income tax rate of 26% (2014 – 26%, 2013- 25.75%) to loss before income taxes as shown in the following table:

	2015			2014			2013
Computed taxes (recoveries) at Canadian federal and provincial tax rates	$	(4,095	)	$	3,385		$	3,098
Tax attributes expired/utilized		2,851			2,011			198
Change in valuation allowance		2,482			(2,364	)		(2,029	)
Investment tax credits earned		(1,220	)		(1,283	)		(529	)
Non-deductible expenditures		977			(1,053	)		(374	)
Changes in tax rates		—			—			(1,019	)
Financing fees in equity		—			(1,945	)		—
Other		(995	)		1,249			655
Income tax (recovery) expense	$	—		$	—		$	—

Schedule of Net Deferred Income Tax Assets

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

	2015			2014
Deferred income tax assets
Investment tax credits	$	21,303		$	20,108
Scientific research and experimental development pool		21,088			19,648
Non-capital losses		4,234			1,390
Depreciable assets		3,749			2,651
Deferred financing fees		959			1,318
Deferred revenues		41			3,063
Other		144			858
Less - valuation allowance		(51,518	)		(49,036	)
Net deferred income tax assets	$	—		$	—