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Note 12 - Stock Incentive Plans (Details) - Summary of the Balance and Activity for the Plans Related to Stock Options (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Summary of the Balance and Activity for the Plans Related to Stock Options [Abstract]        
Outstanding Number of Shares 1,065,012 1,155,239 1,210,816 1,125,223
Outstanding Weighted Average Exercise Price (in Dollars per share) $ 8.72 $ 8.53 $ 8.49 $ 8.73
Outstanding Weighted Average Remaining Contractual Term 5 years 328 days      
Outstanding Aggregate Intrinsic Value (in Dollars) $ 1,339      
December 28, 2013 678,794      
December 28, 2013 (in Dollars per share) $ 10.00      
December 28, 2013 4 years 255 days      
December 28, 2013 (in Dollars) $ 938      
Granted Number of Shares 195,512 228 305,727  
Granted Weighted Average Exercise Price (in Dollars per share) $ 6.56 $ 8.32 $ 6.22  
Exercised Number of Shares 204,658   55,501  
Exercised Weighted Average Exercise Price (in Dollars per share) $ 5.60   $ 5.13  
Forfeited Number of Shares 39,931 55,805 164,633  
Forfeited Weighted Average Exercise Price (in Dollars per share) $ 8.20 $ 7.79 $ 7.04  
Canceled or expired 41,150      
Canceled or expired (in Dollars per share) $ 9.10