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Note 9 - Property, Plant and Equipment (Tables)
6 Months Ended
Jul. 04, 2021
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   

July 4,

   

December 31,

 
   

2021

   

2020

 
   

(Unaudited)

         

Land and land improvements

  $ 43     $ 43  

Buildings and building improvements

    7,776       7,747  

Machinery, equipment, furniture and fixtures

    57,207       55,620  

Construction in progress

    1,160       609  
      66,186       64,019  

Accumulated depreciation

    (54,873 )     (53,858 )
    $ 11,313     $ 10,161