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Note 9 - Segment Reporting (Tables)
12 Months Ended
Dec. 31, 2024
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
  

Year Ended December 31,

 
  

2024

  

2023

 

Total revenues

 $  $ 

Cross platform research and engineering1

  13,487   15,742 

Manufacturing2

  4,939   2,278 

Clinical and regulatory3

  4,052   2,737 

Adjusted general and administrative4

  15,909   13,317 

Sales and marketing5

  3,106   1,113 

Other segment items6

  14,764   8,387 

Total other income, net

  (2,672)  (1,364)

Net loss

 $(53,585) $(42,210)