Note 7 - Stockholders' Equity- Stock Warrants (Details) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Warrants, outstanding (in shares) | 524,601 | 55,173 | |
| Outstanding, weighted average exercise price (in dollars per share) | $ 32.42 | $ 116.47 | |
| Outstanding, December 31, 2022 | $ 0 | $ 0 | $ 1 |
| Warrants, Granted (in shares) | 1,861,817 | 659,727 | |
| Warrants granted, weighted average exercise price (in dollars per share) | $ 6.23 | $ 16.05 | |
| Warrants, Exercised (in shares) | (910,218) | (190,299) | |
| Exercised, weighted average exercise price (in dollars per share) | $ 10.16 | $ 0.02 | |
| Warrants granted, weighted average exercise price (in dollars per share) | $ 6.23 | $ 16.05 | |
| Warrants, outstanding (in shares) | 1,476,200 | 524,601 | 55,173 |
| Outstanding, weighted average exercise price (in dollars per share) | $ 8.64 | $ 32.42 | $ 116.47 |
| X | ||||||||||
- Definition Aggregate intrinsic value of class of warrant or right. No definition available.
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| X | ||||||||||
- Definition The number of warrants or rights exercised during period. No definition available.
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| X | ||||||||||
- Definition Represents exercise price of warrant or right exercised during period. No definition available.
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| X | ||||||||||
- Definition Represents exercise price of warrants or rights for warrants granted during period. No definition available.
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| X | ||||||||||
- Definition The number of warrants or rights issued during period. No definition available.
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| X | ||||||||||
- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of warrants or rights outstanding. No definition available.
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