v3.25.2
Note 9 - Net Loss Per Share - Anti-dilutive Securities (Details) - shares
6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Antidilutive securities (in shares) 5,596,376 4,105,794
Share-Based Payment Arrangement, Option [Member]    
Antidilutive securities (in shares) 5,580,612 4,090,030
Common Stock Warrant [Member]    
Antidilutive securities (in shares) 15,764 15,764