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Note 5 - Stockholders' Equity (Tables) | 9 Months Ended
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Sep. 30, 2024
Table Text Block [Abstract] |
Schedule of Stockholders' Equity Note, Warrants or Rights | The following table summarizes warrant acti vity during the nine months ended September 30, 2024:
|  | Number of Warrants |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Life (Years) |  |
Warrants outstanding, December 31, 2023 |  |  | 272,211 |  |  | $ | 144.78 |  |  |  | 4.12 |  |
Granted |  |  | 1,731,767 |  |  |  | 5.13 |  |  |  | 6.50 |  | (1)
Exercised |  |  | (446,304 | ) |  |  | 5.61 |  |  |  | — |  |
Forfeited, expired or cancelled |  |  | (204 | ) |  |  | 17,438.12 |  |  |  | — |  |
Warrants outstanding, September 30, 2024 |  |  | 1,557,470 |  |  |  | 21.58 |  |  |  | 5.98 |  | (1)
(1) The pre-funded common stock warrants granted and outstanding during and as of the nine months ended September 30, 2024 have a perpetual term and are therefore excluded from the calculation of the weighted average remaining contractual life.

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- Definition Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-1 + Details
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