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Note 12 - Equity - Schedule of Warrants (Details) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Outstanding warrants, weighted average remaining life (Year) | 4 years 3 months 18 days |  |
Exercised (in shares) | (12,827) |  |
Exercised (in dollars per share) | $ 0.05 |  |
Outstanding warrants, number (in shares) | 1,971,216 |  |
Outstanding warrants, exercise price (in dollars per share) | $ 11.54 |  |
Common Stock Warrants [Member] |  |  |
Outstanding warrants, number (in shares) | 193,433 | 33,467 |
Outstanding warrants, exercise price (in dollars per share) | $ 23.46 | $ 45.43 |
Outstanding warrants, weighted average remaining life (Year) |  | 2 years 8 months 26 days | 2 years 6 months 14 days
Outstanding warrants, number (in shares) |  | 193,433 | 33,467
Outstanding warrants, exercise price (in dollars per share) |  | $ 23.46 | $ 45.43
Penny Warrants [Member] |  |  |
Outstanding warrants, number (in shares) | 54,708 | 54,708 |
Outstanding warrants, weighted average remaining life (Year) | 3 years 2 months 19 days | 1 year 6 months 3 days | 2 years 6 months 3 days
Exercised (in shares) | (626,264) |  |
Outstanding warrants, number (in shares) | 699,546 | 54,708 | 54,708
Series C Preferred Unit Warrants [Member] |  |  |
Warrants issued (in shares) | 86,820 | 159,966 |
Warrants issued, exercise price (in dollars per share) | $ 24.62 | $ 24.62 |
Outstanding warrants, exercise price (in dollars per share) | $ 24.62 |  |
Prefunded Penny Warrants [Member] |  |  |
Warrants issued (in shares) | 504,324 |  |
Series D Warrants [Member] |  |  |
Warrants issued (in shares) | 92,799 |  |
Broker Warrants [Member] |  |  |
Warrants issued (in shares) | 4,163 |  |
Warrants issued, exercise price (in dollars per share) | $ 12.31 |  |
Series A Warrants [Member] |  |  |
Warrants issued (in shares) | 629,047 |  |
PIPE Warrants [Member] |  |  |
Warrants issued (in shares) | 823,529 |  |
Warrants issued, exercise price (in dollars per share) | $ 6.83 |  |
Consulting Agreement Warrants [Member] |  |  |
Warrants issued (in shares) | 44,932 |  |
WaveDancer Legacy Warrants [Member] |  |  |
Warrants issued (in shares) | 76,098 |  |
Warrants issued, exercise price (in dollars per share) | $ 94.69 |  |
Convertible Promissory Note [Member] |  |  |
Warrants issued (in shares) | 800,000 |  |
Warrants issued, exercise price (in dollars per share) | $ 4 |  |

X
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