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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] |  |
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

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- Definition Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479907/805-20-50-1 + Details
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