Schedule of Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Aug. 31, 2013	Nov. 30, 2012
Net	$ 1,410	$ 1,947
Alaska, USA [Member]
Cost	3,296	3,063
Accumulated amortization	(1,886)	(1,116)
Net	1,410	1,947
Furniture and equipment [Member] | British Columbia, Canada [Member]
Cost	46
Accumulated amortization	(3)
Net	43
Leasehold improvements [Member] | British Columbia, Canada [Member]
Cost	32
Accumulated amortization	(3)
Net	29
Machinery and equipment [Member] | Alaska, USA [Member]
Cost	2,832	2,831
Accumulated amortization	(1,716)	(1,007)
Net	1,116	1,824
Vehicles [Member] | Alaska, USA [Member]
Cost	276	201
Accumulated amortization	(125)	(81)
Net	151	120
Computer hardware and software | British Columbia, Canada [Member]
Cost	79
Accumulated amortization	(10)
Net	69
Computer hardware and software | Alaska, USA [Member]
Cost	31	31
Accumulated amortization	(29)	(28)
Net	$ 2	$ 3