Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current Assets
Cash and cash equivalents	$ 23,930	$ 24,985
Short-term investments	9,854	15,118
Interest receivable	1	303
Prepaid expenses	179	185
Marketable securities		32
Accounts receivable	58	17
Total Current Assets	34,022	40,640
Equipment	558	517
Mineral properties	27	27
Total assets	34,607	41,184
Current Liabilities
Accounts payable and accrued liabilities	610	3,448
Asset retirement obligation	177	151
Total Current Liabilities	787	3,599
Asset retirement obligation	250	238
Total liabilities	1,037	3,837
SHAREHOLDERS' EQUITY
Common shares, no par value - unlimited shares authorized; shares outstanding March 31, 2013 - 44,949,869, December 31, 2012 - 44,949,869	93,256	93,256
Additional paid in capital	21,904	21,329
Accumulated other comprehensive loss		(43)
Accumulated deficit during exploration stage	(81,590)	(77,195)
Total shareholders' equity	33,570	37,347
Total liabilities and shareholders' equity	$ 34,607	$ 41,184