Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended		163 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss for the period	$ (4,395)	$ (5,317)	$ (81,590)
Adjustments to reconcile loss for the period to net cash and cash equivalents used in operations:
Depreciation	49	23	311
Asset retirement obligation	38		427
Fair value of warrants received pursuant to the sale of mineral properties			(15)
Unrealized (gain)/loss on derivatives	(50)	161	902
Write-down of mineral property			1,891
Loss on currency translation		(48)	(17)
Loss on disposal of marketable securities	39	2	57
Loss on disposal of equipment			(3)
Stock-based compensation	575	2,827	22,124
Changes in non-cash working capital
Accounts receivable	(41)	(229)	(199)
Interest receivable	302	397	(9)
Prepaid expenses	6	239	(191)
Accounts payable and accrued liabilities	(2,788)	(1,590)	436
Due to related party		(28)	(28)
Net cash and cash equivalents used in operating activities	(6,265)	(3,563)	(55,904)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of marketable securities			(207)
Purchases of short-term investments	(9,823)	(20,054)	(24,941)
Additions to mineral properties, net of cost recoveries			(29)
Additions to restricted cash			(422)
Release of restricted cash			422
Purchases of equipment	(90)	(82)	(870)
Proceeds from sale of marketable securities	36	40	186
Proceeds from sale of short-term investments	15,087		15,087
Payments received for sale/option of mineral properties			279
Net cash and cash equivalents used in investing activities	5,210	(20,096)	(10,495)
CASH FLOWS FROM FINANCING ACTIVITIES:
Advance of promissory note			111
Repayment of promissory note			(129)
Cash received for common shares, net of share issuance costs		160	94,916
Shares subscribed			(4,788)
Net cash and cash equivalents provided by financing activities		160	90,110
Cash acquired in capital transaction			219
Increase/(decrease) in cash and cash equivalents	(1,055)	(23,499)	23,930
Cash and cash equivalents - beginning of the period	24,985	59,477
Cash and cash equivalents - end of the period	$ 23,930	$ 35,978	$ 23,930