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Note 5 - Inventories, Net (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

March 31,

  

December 31,

 
  

2022

  

2021

 

Finished goods

 $1,216  $1,190 

Work in process

  383   358 

Raw materials and accessories

  485   427 

Supplies and packing materials

  534   506 

Total inventories, net

 $2,618  $2,481