Quarterly report [Sections 13 or 15(d)]

Note 13 - Segment Information (Tables)

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Note 13 - Segment Information (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
   

Three Months Ended June 30,

   

Six Months Ended June 30,

 
   

2025

   

2024

   

2025

   

2024

 

Operating expenses, excluding share-based compensation

                               

Research and development

  $ 5,589     $ 3,821     $ 11,056     $ 7,302  

General and administrative

    1,647       1,374       3,457       3,146  

Total operating expenses, excluding share-based compensation

    7,236       5,195       14,513       10,448  

Share-based compensation

                               

Research and development

    233       107       422       302  

General and administrative

    538       336       1,216       629  

Total share-based compensationd

    771       443       1,638       931  

Operating loss

    (8,007 )     (5,638 )     (16,151 )     (11,379 )

Interest income

    313       524       757       1,140  

Other income (expense), net

    1       2             (17 )

Income tax expense

    (6 )     (7 )     (12 )     (14 )

Segment and consolidated net loss

  $ (7,699 )   $ (5,119 )   $ (15,406 )   $ (10,270 )