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Methane Project
3 Months Ended
Mar. 31, 2012
Methane Project [Abstract]  
Methane Project

(9) Methane Project

     The methane facilities were placed into service on April 1, 2009. The methane facilities are being depreciated over the estimated useful life of approximately 33 years. This useful life is based on estimated landfill closure date of December 2041. The Company recorded depreciation expense of $0.03 million and $0.02 million for the three months ended March 31, 2012 and 2011, respectively.