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Note 3 - Inventories (Tables)
12 Months Ended
Dec. 25, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

2021

  

2020

 

Raw materials

 $2,080,778  $752,760 

Work in process

  1,309,572   2,800,226 

Finished goods

  805,159   592,640 

Gross Inventory

  4,195,509   4,145,626 

Reserve for obsolescence

  (283,907)  (436,155)

Total

 $3,911,602  $3,709,471