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Note 15 - Commitments and Contingencies (Tables)
6 Months Ended
Jun. 28, 2015
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
   

2016

   

2017

   

2018

   

2019

   

2020

   

Thereafter

 

Minimum lease payment

  $ 425     $ 425     $ 425     $ 425     $ 425     $ 13,175