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Note 10 - Equity - Schedule of Warrants (Details) - $ / shares |  |  |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Sep. 19, 2024 | Aug. 12, 2024 | Jul. 26, 2024 | Sep. 30, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Outstanding warrants, number (in shares) |  |  |  | 248,215 | 88,251 | 12,827 |
Outstanding warrants, exercise price (in dollars per share) |  |  |  | $ 19.9 | $ 21.73 | $ 72.12 |
Outstanding warrants, weighted average remaining life (Year) |  |  |  |  | 2 years 5 months 15 days | 2 years 6 months | 10 months 6 days
Series C Warrants (Note 10.a) (in shares) |  |  |  |  | 159,964 | 20,642 |
Series C Warrants (Note 10.a), exercise price (in dollars per share) |  |  |  |  | $ 24.62 | $ 28.85 |
Outstanding warrants, number (in shares) |  |  |  |  | 248,215 | 88,251 | 12,827
Outstanding warrants, exercise price (in dollars per share) |  |  |  |  | $ 19.9 | $ 21.73 | $ 72.12
Common Stock Warrants [Member] |  |  |  |  |  |  |
Outstanding warrants, number (in shares) |  |  |  | 193,433 |  |  |
Outstanding warrants, exercise price (in dollars per share) |  |  |  | $ 23.46 |  |  |
Outstanding warrants, weighted average remaining life (Year) |  |  |  | 4 years 21 days | 2 years 8 months 26 days |  |
Outstanding warrants, number (in shares) |  |  |  | 1,184,043 | 193,433 |  |
Outstanding warrants, exercise price (in dollars per share) |  |  |  | $ 16.51 | $ 23.46 |  |
Penny Warrants [Member] |  |  |  |  |  |  |
Outstanding warrants, number (in shares) |  |  |  | 54,782 |  |  |
Outstanding warrants, weighted average remaining life (Year) |  |  |  | 3 years 5 months 23 days | 1 year 6 months 3 days |  |
Outstanding warrants, number (in shares) |  |  |  | 890,706 | 54,782 |  |
Exercised, number (in shares) |  |  |  | (435,169) |  |  |
Series C Preferred Unit Warrants [Member] |  |  |  |  |  |  |
Outstanding warrants, exercise price (in dollars per share) |  |  |  | $ 24.62 |  |  |
Series C Warrants (Note 10.a) (in shares) |  |  |  | 86,820 |  |  |
Series C Warrants (Note 10.a), exercise price (in dollars per share) |  |  |  | $ 24.62 |  |  |
Outstanding warrants, exercise price (in dollars per share) |  |  |  | $ 24.62 | $ 24.62 |  |
Pre-funded Warrants [Member] |  |  |  |  |  |  |
Series C Warrants (Note 10.a) (in shares) |  |  |  | 504,324 |  |  |
Broker Warrants [Member] |  |  |  |  |  |  |
Series C Warrants (Note 10.a) (in shares) |  |  |  | 4,163 |  |  |
Series C Warrants (Note 10.a), exercise price (in dollars per share) |  |  |  | $ 12.31 |  |  |
Outstanding warrants, exercise price (in dollars per share) |  |  |  | $ 12.31 |  |  |
Series A Warrants [Member] |  |  |  |  |  |  |
Series C Warrants (Note 10.a) (in shares) |  |  |  | 629,039 |  |  |
Exercised, number (in shares) | (359,451) |  |  |  |  |  |
PIPE Warrants [Member] |  |  |  |  |  |  |
Series C Warrants (Note 10.a) (in shares) |  | 823,529 | 504,324 | 823,529 |  |  |
Series C Warrants (Note 10.a), exercise price (in dollars per share) |  |  |  | $ 6.83 |  |  |
Outstanding warrants, exercise price (in dollars per share) |  | $ 6.83 | $ 0.001 |  |  |  |
Series D Warrants [Member] |  |  |  |  |  |  |
Series C Warrants (Note 10.a) (in shares) |  |  |  | 92,798 |  |  |
Exercised, number (in shares) | (61,866) |  |  |  |  |  |
WaveDancer Legacy Warrants [Member] |  |  |  |  |  |  |
Series C Warrants (Note 10.a) (in shares) |  | 76,098 |  | 76,098 |  |  |
Series C Warrants (Note 10.a), exercise price (in dollars per share) |  |  |  | $ 94.69 |  |  |
Consulting Agreement Warrants [Member] |  |  |  |  |  |  |
Series C Warrants (Note 10.a) (in shares) |  |  |  | 44,932 |  |  |

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