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Note 11 - Share-Based Compensation (Tables)
9 Months Ended
Sep. 27, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
   

All Stock Options Outstanding

 
   

Shares

   

Weighted Average

Exercise Price

 

Options outstanding as of December 28, 2013

    276,900     $ 5.47  

Options granted

    15,000     $ 6.10  

Options exercised

    (58,000

)

  $ 4.59  

Options forfeited/cancelled

    (11,000

)

  $ 8.81  
                 

Options outstanding as of September 27, 2014

    222,900     $ 5.57  
                 

Options outstanding price range at September 27, 2014

  $ 4.16 - 9.81          
                 

Options exercisable as of September 27, 2014

    152,900     $ 5.53  
                 

Intrinsic value of outstanding stock options as of September 27, 2014

  $ 476          
                 

Intrinsic value of stock options exercised for the thirty-nine week period ended September 27, 2014

  $ 112          
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
   

Number of

Restricted

Stock Units

(in thousands)

   

Weighted

Average

Grant Date Fair

Value per Share

 

Outstanding non-vested at December 28, 2013

    300     $ 5.72  

Granted

    -       -  

Vested

    -       -  

Forfeited or expired

    -       -  

Outstanding non-vested at September 27, 2014

    300     $ 5.72