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Note 6 - Inventories, Net (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

September 30,

   

December 31,

 
   

2022

   

2021

 

Finished goods

  $ 1,394     $ 1,215  

Work in process

    507       358  

Raw materials and accessories

    571       427  

Supplies and packing materials

    479       481  

Total inventories, net

  $ 2,951     $ 2,481