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Note 2 - Restructuring and Other Charges (Tables)
6 Months Ended
Jul. 04, 2015
Notes Tables  
Restructuring and Related Costs [Table Text Block]
   
Workforce-related
   
Lease-related
   
Total
 
December 31, 2013 balance
  $ 245       -     $ 245  
Restructuring expense
    4,002       197       4,199  
Payments
    (3,502 )     (38 )     (3,540 )
December 31, 2014 balance
  $ 745     $ 159     $ 904  
Restructuring expense
    611       -       611  
Payments
    (1,026 )     (79 )     (1,105 )
July 4, 2015 balance
  $ 330     $ 80     $ 410