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Note 5 - Stock-based Compensation (Tables)
9 Months Ended
Sep. 28, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
   

Restricted

Stock

   

Options

 

Outstanding, December 29, 2012

    860,325       1,155,239  

Granted

    459,140       498,318  

Vested

    397,368        

Exercised

          126,609  

Forfeited

    34,315       30,192  

Canceled or expired

    137,600       343,956  

Outstanding, September 28, 2013

    750,182       1,152,800