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Note 1 - Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Jan. 02, 2021
Notes Tables  
Disaggregation of Revenue [Table Text Block]
   
January 2,
2021
    
December 28,
2019
  
Engineering:
                
Time and Material
   $
43,359
     $
55,195
  
Fixed Fee
    
14,145
      
12,678
  
Permanent Placement Services
    
211
      
-
  
Total Engineering
   $
57,715
     $
67,873
  
                 
Specialty Health Care:
                
Time and Material
   $
59,692
     $
88,057
  
Permanent Placement Services
    
789
      
1,291
  
Total Specialty Health Care
   $
60,481
     $
89,348
  
                 
Information Technology:
                
Time and Material
   $
31,723
     $
33,384
  
Permanent Placement Services
    
490
      
495
  
Total Information Technology
   $
32,213
     $
33,879
  
    $
150,409
     $
191,100