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Note 7 - Goodwill (Tables)
9 Months Ended
Sep. 30, 2017
Notes Tables  
Schedule of Goodwill [Table Text Block]
   
Engineering
   
Specialty
Health Care
   
Information
Technology
   
 
Total
 
                                 
Balance as of December 31, 2016
  $
4,411
    $
2,398
    $
5,516
    $
12,325
 
                                 
Goodwill recorded, RAF
   
133
     
-
     
-
     
133
 
                                 
Balance as of September 30, 2017
  $
4,544
    $
2,398
    $
5,516
    $
12,458