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Note 15 - Other Financial Statement Information (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

December 31,

  2025 2024

Raw materials

 $374  $302 

Work in process

  8   5 

Finished goods

     31 

Total gross inventory

  382   338 

Reserve for excess and obsolete inventory

  (85)  (71)

Inventories, net

 $297  $267 
Schedule of Finite-Lived Intangible Assets [Table Text Block]
  

December 31,

  

2025

 

2024

Intellectual property

 $214  $214 

Gross intangible assets

  214   214 

Less: Accumulated amortization

  (199)  (178)

Intangible assets, net

 $15  $36