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Note 6 - Inventories, Net (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

December 31,

 
  

2021

  

2020

 

Finished goods

 $1,190  $1,236 

Work in process

  358   357 

Raw materials and accessories

  427   370 

Supplies and packing materials

  506   475 

Total inventories, net

 $2,481  $2,438