Schedule of Plant and Equipment (Details) - USD ($) $ in Thousands	May. 31, 2015	Nov. 30, 2014
Net	$ 181	$ 415
Alaska, USA [Member]
Cost	3,317	3,315
Accumulated amortization	(3,136)	(2,900)
Net	181	415
Furniture and equipment [Member] | British Columbia, Canada [Member]
Cost	46	46
Accumulated amortization	(19)	(15)
Net	27	31
Leasehold improvements [Member] | British Columbia, Canada [Member]
Cost	32	32
Accumulated amortization	(17)	(13)
Net	15	19
Machinery and equipment [Member] | Alaska, USA [Member]
Cost	2,833	2,833
Accumulated amortization	(2,761)	(2,579)
Net	72	254
Vehicles [Member] | Alaska, USA [Member]
Cost	275	275
Accumulated amortization	(248)	(218)
Net	27	57
Computer hardware and software | British Columbia, Canada [Member]
Cost	100	98
Accumulated amortization	(60)	(44)
Net	40	54
Computer hardware and software | Alaska, USA [Member]
Cost	31	31
Accumulated amortization	(31)	(31)
Net	$ 0	$ 0