Note 13 - Income Taxes (Tables)
6 Months Ended
Jun. 29, 2014
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
   

Three Months Ended

   

Six Months Ended

 
   

June 29, 2014

   

June 30, 2013

   

June 29, 2014

   

June 30, 2013

 
   

(in thousands)

 
                                 

Income tax expense (benefit)

  $ 3,815     $ (1,635 )   $ 6,262     $ 753