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Asset Retirement Obligations (Tables)
9 Months Ended
Sep. 30, 2013
Schedule of Change in Asset Retirement Obligation [Table Text Block]
  Balance at December 31, 2012 $ 1,071,843  
  Liabilities incurred   72,013  
  Accretion expense   56,845  
  Balance at September 30, 2013 $ 1,200,701