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Summary of Significant Accounting Policies
6 Months Ended
Jun. 30, 2012
Summary of Significant Accounting Policies  
Summary of Significant Accounting Policies

2.     Summary of Significant Accounting Policies

        For a complete discussion of the Company's significant accounting policies, refer to our 2011 Annual Report on Form 10-K as of and for the year-ended December 31, 2011, filed with the SEC on February 27, 2012.