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Note 11 - Property, Plant and Equipment (Tables)
9 Months Ended
Sep. 28, 2014
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
   

September 28,

   

December 31,

 
   

2014

   

2013

 
   

(Unaudited)

         

Land and land improvements

  $ 2,952     $ 2,999  

Buildings and building improvements

    26,548       26,053  

Machinery, equipment, furniture and fixtures

    164,148       161,207  

Construction in progress

    2,149       2,133  
      195,797       192,392  

Accumulated depreciation

    (155,089

)

    (147,709

)

    $ 40,708     $ 44,683