Note 7 - Warrants (Details Textual) |
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2025
$ / shares
shares
|
Dec. 31, 2024
$ / shares
shares
|
Nov. 30, 2019
$ / shares
|
|
| Maximum Beneficial Ownership Percentage of Warrants | 4.99% | ||
| Maximum Beneficial Ownership Percentage of Warrants Upon Investor's Election | 9.99% | ||
| Measurement Input, Expected Term [Member] | |||
| Warrants and Rights Outstanding, Measurement Input | 0.3 | ||
| Warrant [Member] | |||
| Class of Warrant or Right, Outstanding | shares | 342,240 | 763,827 | |
| Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares | $ 8.9 | ||
| Prefunded Warrants [Member] | |||
| Class of Warrant or Right, Outstanding | shares | 763,827 | ||
| Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares | $ 0.001 | $ 0.001 | $ 0.001 |
| X | ||||||||||
- Definition Represents the maximum beneficial ownership percentage of warrants. No definition available.
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| X | ||||||||||
- Definition Represents the maximum beneficial ownership percentage of warrants upon investor's election. 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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| X | ||||||||||
- Definition Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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