v3.26.1
Note 4 - Inventories (Tables)
3 Months Ended
Mar. 31, 2026
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  March 31,  December 31, 
  

2026

  

2025

 

Raw materials

 $36  $37 

Finished goods

  26   49 

Inventories

 $62  $86