Sale of Sunward Investments Ltd (Schedule of Discontinued Operations of Sunward Investments) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended	17 Months Ended
Sep. 01, 2016	Nov. 30, 2016	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2016
Discontinued operations expense for the year		$ 598	$ 398	$ 0
Gain on sale of Sunward Investments Ltd.		(4,448)	0	0
(Income)/loss from discontinued operations for the year		$ (3,850)	$ 398	$ 0
Sunward Investment [Member]
Amortization	$ 95				$ 63
Foreign exchange loss	4				23
General and administrative	5				3
Mineral properties expense	460				309
Professional fees	34				0
Discontinued operations expense for the year	598				398
Gain on sale of Sunward Investments Ltd.	(4,448)				0
(Income)/loss from discontinued operations for the year	$ (3,850)				$ 398

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Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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Amount of depreciation and amortization expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of foreign currency translation gain (loss) in the disposal group, including discontinued operation, recognized in the statement of income as a result of the sale or complete or substantially complete liquidation of an investment in a foreign entity.

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Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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