Note 7 - Stockholders' Equity- Stock Warrants (Details) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Oct. 31, 2022 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Warrants, outstanding (in shares) | 4,137,916 | 997 | |
| Outstanding, weighted average exercise price (in dollars per share) | $ 1.55 | $ 9.98 | |
| Outstanding, December 31, 2021 | $ 1 | $ 11 | |
| Warrants, Granted (in shares) | 949,900 | 49,479,398 | 5,166,119 |
| Warrants granted, weighted average exercise price (in dollars per share) | $ 0.26 | $ 2.67 | |
| Warrants, Exercised (in shares) | (14,272,382) | (1,029,200) | |
| Exercised, weighted average exercise price (in dollars per share) | $ 0 | $ 0.14 | |
| Warrants granted, weighted average exercise price (in dollars per share) | $ 0.26 | $ 2.67 | |
| Warrants, outstanding (in shares) | 39,344,932 | 4,137,916 | |
| Outstanding, weighted average exercise price (in dollars per share) | $ 0.01 | $ 0.49 | $ 1.55 |
| 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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