Mineral Properties (Details Narrative) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2013	Dec. 31, 2005
Pathfinder Properties [Member]
Percentage Of Asset Acquired	100.00%
Aggregate Consideration	$ 6.7
Estimated Asset Reclamation Obligation	$ 5.7
Nfu Wyoming Llc [Member]
Percentage Of Asset Acquired		100.00%
Aggregate Consideration		$ 20.0

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479581/805-30-50-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration