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7. Asset Retirement Obligation (Tables)
 12 Months Ended
Dec. 31, 2014
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Asset Retirement Obligations
Asset Retirement Obligation        
         
   Balance December 31, 2011   $ 134,000  
   Accretion                8,040  
   Balance December 31, 2012            142,040  
   Accretion                8,040  
   Balance December 31, 2013            150,080  
   Accretion              (2,390)  (1)
   Balance December 31, 2014   $ 147,690