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Note 10 - Warrants (Details Textual) - $ / shares | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Class of Warrant or Right, Outstanding (in shares) | 4,587,002 | 4,587,002
Class of Warrant or Right, Weighted Average Remaining Contractual Term (Year) | 3 years 10 months 9 days | 4 years 1 month 9 days
Weighted Average [Member] |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ 4.9 | $ 4.9

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- Definition Weighted average remaining contractual term for warrants or rights outstanding. + References No definition available. + Details
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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
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- Definition Number of warrants or rights outstanding. + References No definition available. + Details
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