Income taxes (Tables)

12 Months Ended

Nov. 30, 2017

Schedule of Income Tax Expense [Table Text Block]

Income tax expense differs from the amount that would result from applying the Canadian federal and provincial income tax rates to earnings before income taxes. These differences result from the following items:

in thousands of dollars

	November 30, 2017 $			November 30, 2016 $			November 30, 2015 $
Combined federal and provincial statutory tax rate		26.00	%		26.00	%		26.00	%
Income taxes at statutory rate		(5,486)			(1,264)			(2,479)
Difference in foreign tax rates		(2,267)			(750)			(680)
Effect of foreign exchange changes		-			(339)			2,264
Non-taxable gain on the sale of Sunward Investments		-			(545)			-
Non-deductible expenditures		4,664			175			239
Return to provision adjustments		(72)			(510)			(102)
Other		(357)			(68)			-
Disposition of Sunward Investments		-			7,051			-
Valuation allowance		3,518			(3,750)			758
Income tax expense		-			-			-

Schedule of Future Income Tax Assets and Liabilities [Table Text Block]

The significant components of deferred income tax assets and liabilities at November 30, 2017 and 2016 are as follows:

in thousands of dollars

	November 30, 2017 $		November 30, 2016 $
Deferred income tax assets
Non-capital losses		61,400		58,204
Mineral property interest		14,625		14,491
Deferred interest		9,040		9,040
Property, plant and equipment		57		47
Share issuance costs		127		126
Capital Loss		60		-
Investments		201		-
Other deductible temporary differences		353		450
Total deferred tax assets		85,863		82,358
Valuation allowance		(85,862)		(82,344)
Net deferred income tax assets		1		14
Deferred income tax liabilities
Mineral property interest		-		-
Other taxable temporary differences		(1)		(14)
Deferred income tax liabilities		(1)		(14)
Net deferred income tax assets		-		-

Schedule of Loss Carry-Forwards Expiry [Table Text Block]

The losses expire as follows in the following jurisdictions:

in thousands of dollars

	Non-capital losses Canada $		Operating losses United States $
2018		-		4,206
2019		-		975
2020		-		830
2021		-		1
Thereafter		33,570		121,295
		33,570		127,307