v3.25.1
Note 13 - Segment Information - Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Total operating expenses, excluding share-based compensation $ 7,277 $ 5,253
Total share-based compensation 867 488
operating loss (8,144) (5,741)
Interest income 444 616
Other expense, net (1) (19)
Income tax expense (6) (7)
Net loss (7,707) (5,151)
Research and Development Expense [Member]    
Total operating expenses, excluding share-based compensation 5,467 3,481
Total share-based compensation 189 195
General and Administrative Expense [Member]    
Total operating expenses, excluding share-based compensation 1,810 1,772
Total share-based compensation $ 678 $ 293