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 |