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Asset Retirement Obligation (Tables)
3 Months Ended
Mar. 31, 2013
Asset Retirement Obligation [Abstract]  
Asset Retirement Obligation Transactions
Balance December 31, 2012 $ 2,099
 
Accretion expense   35
Liabilities incurred   -
Liabilities settled   -
 
Balance March 31, 2013 $ 2,134