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Note 3 - Inventories (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

June 30, 2025

  

December 31, 2024

 
  

(unaudited)

     

Raw materials

 $214  $158 

Work in-process

      

Finished goods

  18   18 

Total inventory, net

 $232  $176