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Note 5 - Inventories (Tables)
9 Months Ended
Jun. 26, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

June 26, 2021

  

September 26, 2020

 

Finished goods

 $40,018  $75,289 

Work in process

  497,640   176,980 

Raw materials

  762,365   649,782 

Total inventory, net

 $1,300,023  $902,051