Schedule of Plant and Equipment (Details) - USD ($) $ in Thousands	Aug. 31, 2016	Nov. 30, 2015
Cost	$ 3,474	$ 3,352
Accumulated amortization	(3,239)	(3,179)
Net	235	173
Furniture and equipment [Member] | British Columbia, Canada [Member]
Cost	46	46
Accumulated amortization	(31)	(24)
Net	15	22
Leasehold improvements [Member] | British Columbia, Canada [Member]
Cost	32	32
Accumulated amortization	(26)	(20)
Net	6	12
Machinery and equipment [Member] | Alaska, USA [Member]
Cost	2,921	2,877
Accumulated amortization	(2,790)	(2,777)
Net	131	100
Vehicles [Member] | Alaska, USA [Member]
Cost	348	275
Accumulated amortization	(280)	(262)
Net	68	13
Computer hardware and software | British Columbia, Canada [Member]
Cost	96	91
Accumulated amortization	(81)	(65)
Net	15	26
Computer hardware and software | Alaska, USA [Member]
Cost	31	31
Accumulated amortization	(31)	(31)
Net	$ 0	$ 0