Note 5 - Investment in Galore Creek - Summary of the Company's Investment in GCP (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2017	Nov. 30, 2016	Nov. 30, 2015
	$ (12,895)	$ (9,968)	$ (11,408)
Galore Creek [Member]
Balance – beginning of period	241,404	242,906	283,247
Mineral property expenditures	(48)	(169)	(147)
Care and maintenance expense	(1,628)	(980)	(884)
Gain on sale of equipment			639
	(1,676)	(1,149)	(392)
Funding	1,600	1,020	508
Exploration tax credit			107
Foreign currency translation	10,133	(1,373)	(40,564)
Balance – end of period	251,461	241,404	$ 242,906
Current assets: Cash, prepaid expenses and other receivables	197	170
Non-current assets: Mineral property	226,561	217,295
Current liabilities: Accounts payable and accrued liabilities	(237)	(112)
Non-current liabilities: Reclamation obligation	(7,645)	(7,260)
Net assets	$ 218,876	$ 210,093