Mineral Properties and Assets Held for Sale (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 | |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition 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
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|