Schedule of Plant and Equipment (Details) - USD ($) $ in Thousands	Nov. 30, 2016	Nov. 30, 2015
Cost	$ 3,486	$ 3,364
Accumulated amortization	(3,271)	(3,191)
Net	215	173
Furniture and equipment [Member] | British Columbia, Canada [Member]
Cost	46	46
Accumulated amortization	(33)	(24)
Net	13	22
Leasehold improvements [Member] | British Columbia, Canada [Member]
Cost	32	32
Accumulated amortization	(28)	(20)
Net	4	12
Machinery and equipment [Member] | Alaska, USA [Member]
Cost	2,921	2,877
Accumulated amortization	(2,798)	(2,777)
Net	123	100
Vehicles [Member] | Alaska, USA [Member]
Cost	348	275
Accumulated amortization	(285)	(262)
Net	63	13
Computer hardware and software [Member] | British Columbia, Canada [Member]
Cost	108	103
Accumulated amortization	(96)	(77)
Net	12	26
Computer hardware and software [Member] | Alaska, USA [Member]
Cost	31	31
Accumulated amortization	(31)	(31)
Net	$ 0	$ 0