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

September 30,

2023

   

December 31,

2022

 

Finished goods

  $ 2,921     $ 2,293  

Work in process

    -       -  

Raw materials

    2,895       1,682  

Inventories - net

  $ 5,816     $ 3,975