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Inventories
6 Months Ended
Jul. 03, 2011
Inventories [Abstract]  
Inventories
NOTE 5:   Inventories
Inventories consisted of the following (in thousands):
                 
  July 3,   December 31,  
  2011   2010  
 
               
Raw materials
  $     17,877     $     14,791  
Work-in-process
    2,765       2,051  
Finished goods
    6,362       5,875  
 
           
 
               
 
  $ 27,004     $ 22,717