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Note 1 - Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 28, 2019
Notes Tables  
Disaggregation of Revenue [Table Text Block]
   
December 28,
2019
    
December 29,
2018
  
Engineering:
                
Time and Material
   $
55,195
     $
71,639
  
Fixed Fee
    
12,678
      
14,424
  
Permanent Placement Services
    
-
      
15
  
Total Engineering
   $
67,873
     $
86,078
  
                 
Specialty Health Care:
                
Time and Material
   $
88,057
     $
82,153
  
Permanent Placement Services
    
1,291
      
1,510
  
Total Specialty Health Care
   $
89,348
     $
83,663
  
                 
Information Technology:
                
Time and Material
   $
33,384
     $
30,361
  
Permanent Placement Services
    
495
      
250
  
Total Information Technology
   $
33,879
     $
30,611
  
    $
191,100
     $
200,352