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Note 7 - Goodwill (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Goodwill [Table Text Block]
   
Engineering
    
Information
Technology
    
Specialty
Health Care
    
Total
  
Balance as of January 3, 2015
   $
3,004
     $
5,516
     $
1,703
     $
10,223
  
                                 
Goodwill recorded, SDS acquisition
    
1,407
      
-
      
-
      
1,407
  
                                 
Balance as of January 2, 2016
   $
4,411
     $
5,516
     $
1,703
     $
11,630
  
                                 
Goodwill recorded, AHP acquisition
    
-
      
-
      
695
      
695
  
                                 
Balance as of December 31, 2016
   $
4,411
     $
5,516
     $
2,398
     $
12,325