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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2012
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |
Schedule of change in the balance of the restoration and reclamation liability |
|  | December 31, |
|  | 2012 |  | 2011 |
Reserve for future restoration and reclamation costs at January 1, |  | $ | 4,735,759 |  | $ | 5,043,645 |
Changes in cash flow estimates |  | 1,444,406 |  | 1,101,234 |
Costs incurred |  | (1,767,289 | ) | (1,530,303 | )
Accretion expense |  | 85,181 |  | 121,183 |
Reserve for future restoration and reclamation costs at December 31, |  | $ | 4,498,057 |  | $ | 4,735,759 |

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859 + Details
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