v3.25.1
Note 3 - Summary of Significant Accounting Policies - Outstanding Dilutive Securities (Details) - shares
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Antidilutive securities (in shares) 3,518,727 621,719
Convertible Preferred Stock [Member]    
Antidilutive securities (in shares) 2,609,289 102,462
Share-Based Payment Arrangement, Option [Member]    
Antidilutive securities (in shares) 909,438 519,257