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Note 6 - Inventories (Tables)
6 Months Ended
Jul. 02, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

July 2,

  

December 25,

 
  

2022

  

2021

 
         

Raw materials

 $2,691,395  $2,080,778 

Work in process

  1,447,528   1,309,572 

Finished goods

  704,638   805,159 
         

Total inventory

  4,843,561   4,195,509 
         

Reserve for obsolescence

  (177,842)  (283,907)
         

Inventories, net

 $4,665,719  $3,911,602