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Oil And Gas Properties (Tables)
9 Months Ended
Sep. 30, 2013
Oil And Gas Properties [Abstract]  
Schedule Of Oil And Gas Properties
    September 30, 2013     December 31, 2012  
 
Oil and gas properties, at cost $ 44,203   $ 43,351  
Unevaluated properties   344     457  
Accumulated depletion   (21,077 )   (19,108 )
Oil and gas properties, net $ 23,470   $ 24,700