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Debt Issue Costs
12 Months Ended
Dec. 31, 2012
Debt Issue Costs / Revolving Line of Credit [Abstract]  
Debt Issue Costs

E. Debt Issue Costs

During the years ended December 31, 2012, 2011 and 2010, we recognized interest expense related to the amortization of debt issuance costs of $216,000, $282,000, and $399,000, respectively.