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Income Taxes
3 Months Ended
Mar. 31, 2013
Income Taxes [Abstract]  
Income Taxes

12. The Company files income tax returns in the U.S. Federal jurisdiction and various state jurisdictions. With few exceptions, the Company is no longer subject to U.S. Federal income tax examinations for years before 2010 or state income tax examinations for years before 2009. The Company believes it is not subject to any significant tax risk.  The Company does not have any accrued interest or penalties associated with any unrecognized tax benefits, nor were any significant interest expenses recognized during the three months ended March 31, 2013 or March 31, 2012.