Annual report pursuant to Section 13 and 15(d)

Benefit Plan

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Benefit Plan
 12 Months Ended
Dec. 31, 2011
Benefit Plan [Abstract]  
Benefit Plan
19. Benefit Plan

The Company sponsors a profit sharing and savings plan under Section 401(k) or the Internal Revenue Code, covering substantially all domestic employees. The Company made voluntary employer matching contributions as follows:

 

                         
    Year ended December 31,  
        2011             2010             2009      

Voluntary employer matching contributions

     $         474       $         427       $         345