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Note 16 - Share-based Compensation (Tables)
9 Months Ended
Sep. 30, 2025
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
  

Three Months Ended

  

Nine Months Ended

 
  

September 30,

  

September 30,

 
  

2025

  

2024

  

2025

  

2024

 

Research and development expenses

 $726  $579  $1,776  $1,691 

Selling, general and administrative expenses

  2,301   2,910   7,053   8,114 

Total share-based compensation expense

 $3,027  $3,489  $8,829  $9,805