v3.25.2
Note 3 - Inventories (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  June 30,  December 31, 
  

2025

  

2024

 

Raw materials

 $24  $18 

Finished goods

  24   15 

Inventories

 $48  $33