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Other Current Liabilities
 6 Months Ended
Jun. 30, 2011
Other Current Liabilities [Abstract]  
OTHER CURRENT LIABILITIES
8. OTHER CURRENT LIABILITIES
    Other current liabilities consist of the following (in thousands):
                 
    June 30,     December 31,  
    2011     2010  
Accrued compensation
  $ 8,136     $ 8,451  
Accrued commissions
    2,741       2,067  
Accrued workers compensation and health insurance
    902       410  
All other current accrued liabilities
    867       1,045  
 
           
Total other current liabilities
  $ 12,646     $ 11,973