Consolidated Statements of Operations and Comprehensive Loss (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		163 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013
Operating income and (expenses):
Exploration and evaluation	$ (1,939)	$ (2,599)	$ (43,018)
Corporate administration	(1,694)	(4,104)	(37,280)
Depreciation	(49)	(22)	(311)
Write-down of mineral property			(2,924)
Total operating expenses	(3,682)	(6,725)	(83,533)
Non-operating income and (expenses):
Interest income	97	151	2,073
Gain/(loss) on currency translation	(821)	1,452	809
Other income/(expense)		(32)	20
Loss on sale of marketable securities	(39)	(2)	(57)
Gain/(loss) on derivatives	50	(161)	(902)
Total non-operating income	(713)	1,408	1,943
Net loss	(4,395)	(5,317)	(81,590)
Other comprehensive loss
Realized loss on available-for-sale securities	39	2	57
Unrealized gain/(loss) on available-for-sale securities	4	2	(57)
COMPREHENSIVE LOSS	$ (4,352)	$ (5,313)	$ (81,590)
LOSS PER SHARE - BASIC AND DILUTED	$ (0.10)	$ (0.12)
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING	44,949,869	44,222,366