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

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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585 + Details
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