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Asset Retirement Obligation (Tables)
 9 Months Ended
Sep. 30, 2013
Schedule of Change in Asset Retirement Obligation [Table Text Block]
               
      September 30,     December 31,  
      2013     2012  
      $      $   
               
 

Asset retirement obligations, January 1

   2,392,369     2,208,867  
 

Additions and revisions

   39,573     -  
 

Settlements and disposals

   (117,846 )   -  
 

Accretion expense

   129,488     183,502  
 

 

            
 

Asset retirement obligations, September 30

   2,443,584     2,392,369