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Note 7 - Goodwill (Tables)
3 Months Ended
Apr. 02, 2016
Notes Tables  
Schedule of Goodwill [Table Text Block]
   
Engineering
   
Information
Technology
   
Specialty Health Care
   
Total
 
                                 
Balance as of April 2, 2016
  $ 4,411     $ 5,516     $ 1,703     $ 11,630