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Mineral Properties (Schedule Of Business Acquisitions By Acquisition) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Mineral Properties, Net	$ 6,156	$ 7,184
Mt. Todd, Australia [Member]
Business Acquisition [Line Items]
Mineral Properties, Net	2,146	2,146
Guadalupe de los Reyes, Mexico [Member]
Business Acquisition [Line Items]
Mineral Properties, Net	2,224	2,752
Los Cardones, Mexico [Member]
Business Acquisition [Line Items]
Mineral Properties, Net	1,036	1,536
Long Valley, United States [Member]
Business Acquisition [Line Items]
Mineral Properties, Net	$ 750	$ 750

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X

- Definition

Mineral properties, net of adjustments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 360

-Section 25

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6474861&loc=d3e64895-109465

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