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Oil And Gas Properties
12 Months Ended
Dec. 31, 2011
Oil And Gas Properties [Abstract]  
Oil And Gas Properties

5. Oil and Gas Properties

     The following table sets forth information concerning the Company's oil and gas properties: (in thousands):

             
    December 31,  
    2011     2010  
Oil and gas properties, at cost $ 36,002   $ 27,837  
Unevaluated properties   268     189  
Accumulated depreciation, depletion and amortization   (16,064 )   (13,869 )
Oil and gas properties, net $ 20,206   $ 14,157  

 

     During the years ended December 31, 2011, 2010, and 2009, the Company recorded depletion expense of $2.2 million, $1.9 million and $1.8 million, respectively.