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Note 12 - Stock Incentive Plans (Details) - Summary of Plans Related to Unvested Restricted Stock (Restricted Stock [Member], USD $)
12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Restricted Stock [Member]
       
Note 12 - Stock Incentive Plans (Details) - Summary of Plans Related to Unvested Restricted Stock [Line Items]        
Outstanding Number of Shares 720,198 860,325 1,438,131 1,468,373
Outstanding Weighted Average Grant Date Fair Value (in Dollars per share) $ 5.91 $ 5.78 $ 5.85 $ 6.32
Granted Number of Shares 321,664 366,270 532,791  
Granted Weighted Average Grant Date Fair Value (in Dollars per share) $ 6.00 $ 4.97 $ 6.46  
Vested Number of Shares 399,405 874,852 394,766  
Vested Weighted Average Grant Date Fair Value (in Dollars per share) $ 5.39 $ 5.53 $ 8.52  
Forfeited Number of Shares 62,386 69,224 168,267  
Forfeited Weighted Average Grant Date Fair Value (in Dollars per share) $ 5.78 $ 6.03 $ 5.68