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

2022

  

2021

 

Raw materials

 $679  $651 

Work in process and finished goods

  1,023   1,000 

Inventory reserves

  (93)  (87)

Total

 $1,609  $1,564