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Note 4 - Inventories (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

June 30,

2023

   

December 31,

2022

 

Finished goods

  $ 3,793     $ 2,293  

Work in process

    -       -  

Raw materials

    2,727       1,682  

Inventories - net

  $ 6,520     $ 3,975