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Note 14 - Stockholders' Equity (Tables)
12 Months Ended
Dec. 29, 2012
Schedule of Common Stock Outstanding Roll Forward [Table Text Block]
   
Common
 
   
Stock
 
       
Shares as of January 2, 2010
    20,447,343  
Shares issued under employee stock plans, net of shares withheld in lieu of tax withholding
    318,045  
Repurchase of shares
    (1,133,765 )
Shares as of January 1, 2011
    19,631,623  
Shares issued under employee stock plans, net of shares withheld in lieu of tax withholding
    302,007  
Repurchase of shares
    (2,528,360 )
Shares as of December 31, 2011
    17,405,270  
Shares issued under employee stock plans, net of shares withheld in lieu of tax withholding
    29,612  
Repurchase of shares
    (366,700 )
Shares as of December 29, 2012
    17,068,182