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Note 6 - Inventories (Tables)
12 Months Ended
Sep. 30, 2023
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

September 30,

 
   

2023

   

2022

 

Raw materials

  $ 5,086     $ 5,277  

Finished goods

    1,029       844  

Work in process

    1,218       744  

Inventories, gross

    7,333       6,865  

Reserve for obsolescence

    (832 )     (857 )

Inventories, net

  $ 6,501     $ 6,008