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Note 11 - Share Based Compensation (Tables)
9 Months Ended
Sep. 29, 2012
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 31, 2011
    916,594       $ 4.24  
Options granted
    20,000       $ 5.40  
Options exercised
    (96,700)       $ 3.98  
Options forfeited/cancelled
    (28,550)       $ 3.88  
                   
Options outstanding as of September 29, 2012
    811,344       $ 4.32  
                   
Options outstanding price range at September 29, 2012
  $1.73 - $9.81          
                   
Options exercisable as of September 29, 2012
    753,400       $ 4.38  
                   
Intrinsic value of outstanding stock options as of September 29, 2012
    1,134            
                   
Intrinsic value of stock options exercised for the thirty-nine week period ended September 29, 2012
    146