Schedule of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Nov. 30, 2017	Nov. 30, 2016	Nov. 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	0	(339)	2,264
Non-taxable gain on the sale of Sunward Investments	0	(545)	0
Non-deductible expenditures	4,664	175	239
Return to provision adjustments	(72)	(510)	(102)
Other	(357)	(68)	0
Disposition of Sunward Investments	0	7,051	0
Valuation allowance	3,518	(3,750)	758
Income tax expense	$ 0	$ 0	$ 0

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Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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