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Note 1 - Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 29, 2018
Notes Tables  
Disaggregation of Revenue [Table Text Block]
   
December 29,
2018
    
December 30,
2017
  
Engineering:
                
Time and material
   $
71,639
     $
71,894
  
Fixed fee
    
14,424
      
10,859
  
Permanent placement services
    
15
      
-
  
Total Engineering
   $
86,078
     $
82,753
  
                 
Specialty Health Care:
                
Time and material
   $
82,153
     $
69,033
  
Permanent placement services
    
1,510
      
2,283
  
Total Specialty Health Care
   $
83,663
     $
71,316
  
                 
Information Technology:
                
Time and material
   $
30,361
     $
32,320
  
Permanent placement services
    
250
      
348
  
Total Information Technology
   $
30,611
     $
32,668
  
    $
200,352
     $
186,737