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Stock-Based Compensation
6 Months Ended
Jun. 30, 2011
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock-Based Compensation
5.
Stock-Based Compensation

For the three months ended June 30, 2011 and 2010 stock-based compensation expense was $239 and $122, respectively, and for the six months ended June 30, 2011 and 2010 stock-based compensation expense was $427 and $280, respectively. Stock-based compensation is included in selling, general and administrative expenses.