v3.25.1
Note 2 - Summary of Significant Accounting Policies - Antidilutive Securities (Details) - shares
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Antidilutive securities (in shares) 13,702,176 10,096,411
Warrant [Member]    
Antidilutive securities (in shares) 208,744 0
Share-Based Payment Arrangement, Option [Member]    
Antidilutive securities (in shares) 13,493,432 10,096,411