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Note 6 - Acquisitions (Tables)
12 Months Ended
Dec. 29, 2012
Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table Text Block]
Period Ending
 
PSG
   
BGA
   
Total
 
December 28, 2013
  $ 92     $ 228     $ 320  
January 3, 2015
    -       253       253  
January 2, 2016
    -       269       269  
December 31, 2016
    -       307       307  
Estimated future contingent consideration payments
  $ 92     $ 1,057     $ 1,149  
Schedule of Business Acquisitions, by Acquisition [Table Text Block]
Cash
  $ 1,292  
Lease in excess of market, net present value
    469  
Contingent consideration, net present value
    930  
         
Total consideration 
  $ 2,691  
Fixed assets
  $ 28  
Restricted covenants
    70  
Customer relationships
    180  
Deferred tax asset
    187  
Goodwill
    2,226  
Total consideration 
  $ 2,691  
Business Acquisition, Pro Forma Information [Table Text Block]
   
Fiscal Years Ended
 
   
December 29,
2012
   
December 31,
2011
 
Revenues
  $ 148,420     $ 148,783  
Operating income
  $ 5,363     $ 7,042  
Diluted earnings per share
  $ 0.26     $ 0.33