Schedule of Plant and Equipment (Details) - USD ($) $ in Thousands	May 31, 2016	Nov. 30, 2015
Cost	$ 3,689	$ 3,684
Accumulated amortization	(3,344)	(3,238)
Net	345	446
Furniture and equipment [Member] | British Columbia, Canada [Member]
Cost	46	46
Accumulated amortization	(29)	(24)
Net	17	22
Leasehold improvements [Member] | Antioquia,Colombia [Member]
Cost	73	73
Accumulated amortization	(35)	(17)
Net	38	56
Leasehold improvements [Member] | British Columbia, Canada [Member]
Cost	32	32
Accumulated amortization	(24)	(20)
Net	8	12
Machinery and equipment [Member] | Antioquia,Colombia [Member]
Cost	206	206
Accumulated amortization	(70)	(34)
Net	136	172
Machinery and equipment [Member] | Alaska, USA [Member]
Cost	2,877	2,877
Accumulated amortization	(2,785)	(2,777)
Net	92	100
Vehicles [Member] | Antioquia,Colombia [Member]
Cost	52	52
Accumulated amortization	(16)	(8)
Net	36	44
Vehicles [Member] | Alaska, USA [Member]
Cost	275	275
Accumulated amortization	(274)	(262)
Net	1	13
Computer hardware and software | Antioquia,Colombia [Member]
Cost	1	1
Accumulated amortization	(1)	0
Net	0	1
Computer hardware and software | British Columbia, Canada [Member]
Cost	96	91
Accumulated amortization	(79)	(65)
Net	17	26
Computer hardware and software | Alaska, USA [Member]
Cost	31	31
Accumulated amortization	(31)	(31)
Net	$ 0	$ 0