Sale of Sunward Investments Ltd (Narrative) (Details) CAD / shares in Units, $ / shares in Units, $ in Thousands	12 Months Ended
	Nov. 30, 2016 USD ($) $ / shares shares	Nov. 30, 2016 CAD shares	Nov. 30, 2016 CAD / shares	Jun. 19, 2015
Noncash or Part Noncash Acquisition, Investments Acquired Shares | shares	5,000,000	5,000,000
Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Warrants Issued | shares	1,000,000	1,000,000
Noncash or Part Noncash Divestiture, Amount of Consideration Received	$ 8,102
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	7,800
Gain (Loss) on Disposition of Business	$ 4,448
Share Price | (per share)	$ 1.56		CAD 2.04
Sunward Investments [Member]
Class of Warrant or Right, Grants in Period, Exercise Price | CAD		CAD 3.50
Mineral property acquisition				100.00%
Noncash or Part Noncash Divestiture, Amount of Consideration Received	$ 8,100
Noncash or Part Noncash Acquisition Noncash Financial or Equity Instrument Consideration Warrants Value	$ 300