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ASSET RETIREMENT OBLIGATIONS (Details) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Change in the reserve for future restoration and reclamation costs      
Balance at the beginning of the period $ 3,833,608 $ 4,498,057 $ 4,498,057
Changes in cash flow estimates     584,025
Costs incurred (209)   (1,638,214)
Accretion expense 79,179 97,435 389,740
Balance at the end of the period $ 3,912,578   $ 3,833,608