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Note 12 - Stockholders' Equity
 12 Months Ended
Dec. 31, 2016
Notes to Financial Statements  
Stockholders' Equity Note Disclosure [Text Block]
(1
2
)
Stockholders’ Equity
 
The following table summarizes the changes in outstanding shares of common stock for fiscal
20
14,
2015
and
2016:
 
   
Common
  
   
Stock
  
         
Shares as of December 28, 2013
    
17,386,920
  
Shares issued under employee stock plans, net of shares withheld in lieu of tax withholding
    
300,705
  
Repurchase of shares
    
(326,990
 )
Shares as of January 3, 2015
    
17,360,635
  
Shares issued under employee stock plans, net of shares withheld in lieu of tax withholding
    
141,827
  
Repurchase of shares
    
(1,706,571
 )
Shares as of January 2, 2016
  
 
15,795,891
 
Shares issued under employee stock plans, net of shares withheld in lieu of tax withholding
  
 
193,538
 
Repurchase of shares
  
 
(132,502
)
Shares as of December 31, 2016
  
 
15,856,927