Note 12 - Income Taxes (Tables)
 3 Months Ended
Mar. 30, 2014
Income Tax Disclosure [Abstract]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
   

Three Months Ended

 
   

March 30, 2014

   

March 31, 2013

 
   

(in thousands)

 
                 

Income tax expense

  $ (2,447 )   $ (2,388 )