Schedule of Mineral Property Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2016	Nov. 30, 2015	Nov. 30, 2014
Mineral property expense	$ 5,037	$ 4,167	$ 2,512
Alaska, USA [Member]
Community	299	126	137
Drilling	712	698	0
Engineering	699	441	117
Environmental	314	88	36
Geochemistry and geophysics	82	70	238
Land and permitting	426	421	378
Other income	(34)	(209)	(9)
Project support	1,254	1,411	438
Wages and benefits	1,285	1,122	1,177
Mineral property expense	$ 5,037	$ 4,167	$ 2,512