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Note C - Inventories (Tables)
9 Months Ended
Sep. 26, 2020
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

September 26,

  

December 28,

 
  

2020

  

2019

 

Raw materials

 $22,569  $15,879 

Work in progress

  8,496   12,111 

Finished goods

  47,102   40,915 
  $78,167  $68,905