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Note 13 - Other Financial Statement Information (Tables)
6 Months Ended
Jun. 30, 2024
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

June 30, 2024

 

December 31, 2023

Raw materials

 $363  $271 

Work in process

  54   9 

Finished goods

  3    

Total gross inventory

  420   280 

Reserve for excess and obsolete inventory

  (84)  (76)

Inventories, net

 $336  $204 
Schedule of Finite-Lived Intangible Assets [Table Text Block]
  

June 30, 2024

 

December 31, 2023

Intellectual property

 $214  $214 

Gross intangible assets

  214   214 

Less: Accumulated amortization

  (168)  (157)

Intangible assets, net

 $46  $57