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

June 30,

  

December 31,

 
  

2023

  

2022

 

Raw materials (1)

 $5,363  $4,676 

Finished goods

  2,072   2,019 

Total inventories

 $7,435  $6,695