Quarterly report [Sections 13 or 15(d)]

Note 13 - Segment Information - Segment Information (Details)

v3.25.3
Note 13 - Segment Information - Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Sep. 30, 2025
Sep. 30, 2024
Total operating expenses, excluding share-based compensation $ 8,017     $ 6,318     $ 22,530 $ 16,766
Total share-based compensation 1,016     565     2,654 1,496
Operating loss (9,033)     (6,883)     (25,184) (18,262)
Interest income 440     618     1,197 1,758
Other income (expense), net (21)     (2)     (21) (19)
Income tax expense (6)     (7)     (18) (21)
Net loss (8,620) $ (7,699) $ (7,707) (6,274) $ (5,119) $ (5,151) (24,026) (16,544)
Research and Development Expense [Member]                
Total operating expenses, excluding share-based compensation 6,066     4,835     17,122 12,137
Total share-based compensation 370     147     792 449
General and Administrative Expense [Member]                
Total operating expenses, excluding share-based compensation 1,951     1,483     5,408 4,629
Total share-based compensation $ 646     $ 418     $ 1,862 $ 1,047