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Mineral Properties (Schedule Of Business Acquisitions By Acquisition) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended		132 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2012
Business Acquisition [Line Items]
Mineral properties net, Beginning balance	$ 13,701
Cost recovery	(6,517)
Write-down of mineral property (Note 6)		(250)	(250)
Mineral properties net, Ending balance	7,184	13,701	13,701
Mt. Todd, Australia [Member]
Business Acquisition [Line Items]
Mineral properties net, Ending balance	2,146	2,146	2,146
Guadalupe de los Reyes, Mexico [Member]
Business Acquisition [Line Items]
Mineral properties net, Ending balance	2,752	2,752	2,752
Los Cardones, Mexico [Member]
Business Acquisition [Line Items]
Mineral properties net, Beginning balance	8,053
Cost recovery	(6,517)
Mineral properties net, Ending balance	1,536
Long Valley, United States [Member]
Business Acquisition [Line Items]
Mineral properties net, Ending balance	$ 750	$ 750	$ 750

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- Definition

Amount recognized as an operating expense or loss during the period to reduce the carrying amount of a project that has been impaired but not abandoned.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 45

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 144

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Mineral properties, net of adjustments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 19

-Paragraph 15

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Return of or reimbursements received in relation to direct costs and expenses previously paid or incurred.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

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