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Note 6 - Exit and Disposal Activities (Tables)
9 Months Ended
Oct. 04, 2020
Notes Tables  
Disposal Groups, Including Discontinued Operations [Table Text Block]
   
October 4,
   
December 31,
 
   
2020
   
2019
 
   
(Unaudited)
     
Property, plant and equipment
  $
8,346
    $
13,346
 
Accumulated depreciation
   
(7,277
)    
(11,113
)
Property, plant and equipment, net
  $
1,069
    $
2,233