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Debt (Tables)
 6 Months Ended
Jun. 30, 2012
Debt [Abstract]  
Long-Term Debt
                     
    Interest
Rates		   June 30,
2012		     December 31,
2011		  
        (in thousands)  
       

Procurian term loan

   1.99-3.09%   $ 12,666     $ 14,667  

Capital leases and other debt

   2.25-10.27%     173       853  
       

 

 

    

 

 

  
          12,839       15,520  

Current maturities

         (4,173 )      (4,759 ) 
       

 

 

    

 

 

  

Long-term debt

       $ 8,666     $ 10,761