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Note 5 - Inventories (Tables)
9 Months Ended
Sep. 30, 2023
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

September 30,

   

December 31,

 
   

2023

   

2022

 

Finished goods

  $ 1,226     $ 1,315  

Work in process

    513       571  

Raw materials and accessories

    479       537  

Supplies and packing materials

    437       481  

Inventories

  $ 2,655     $ 2,904