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

December 31,

 
   

2022

   

2021

 

Finished goods

  $ 2,293     $ 1,027  

Work in process

    -       2  

Raw materials

    1,682       537  

Inventories - net

  $ 3,975     $ 1,566