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Note 4 - Inventories, Net (Tables)
3 Months Ended
Mar. 31, 2023
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

March 31,

2023

   

December 31,

2022

 

Finished goods

  $ 3,717     $ 2,293  

Work in process

    -       -  

Raw materials

    1,909       1,682  

Inventories - net

  $ 5,626     $ 3,975