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Note 13 - Subsequent Event - Warrant Dividend Distribution (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  |  | 2 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Jan. 03, 2024 | Dec. 22, 2023 | Feb. 26, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Nov. 15, 2024
Volume Weighted Average Price (in dollars per share) |  | $ 26.4 |  |  |  |  |
Proceeds from Warrant Exercises |  |  |  | $ 0 | $ 0 | $ 692 |
Subsequent Event [Member] |  |  |  |  |  |  |
Redemption Percentage of Warrants |  |  |  |  |  |  | 0.10%
Warrant Redemption Price (in dollars per share) |  |  |  |  |  |  | $ 0.01
Class of Warrant or Right, Exercised During Period (in shares) |  |  | 659,000 |  |  |  |
Proceeds from Warrant Exercises |  |  | $ 21,800 |  |  |  |
Stock Issued During Period, Shares, Warrant Exercises (in shares) |  |  | 989,000 |  |  |  |
Proceeds From Warrants Exercised That Obligated to Pay Commission |  |  | $ 20,000 |  |  |  |
Commission Percentage of Gross Proceeds |  |  | 2.50% |  |  |  |
Warrants to Purchase Common Stock [Member] |  |  |  |  |  |  |
Class Of Warrant Or Right Issued During Period (in shares) |  | 4 |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  | 10 |  |  |  |  |
Warrants to Purchase Common Stock [Member] | Subsequent Event [Member] |  |  |  |  |  |  |
Class Of Warrant Or Right Issued During Period (in shares) | 16,900,000 |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ 33 |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) | 1 |  |  |  |  |  |
Bonus Share Fraction [Member] | Subsequent Event [Member] |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) | 0.5 |  |  |  |  |  |

X
- Definition Represents the warrants or rights exercised during the period. + References No definition available. + Details
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- Definition The number of warrants or rights issued during period. + References No definition available. + Details
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X
- Definition Represents the percentage of commission required to be paid from gross proceeds. + 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 securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares. + References No definition available. + Details
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + 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 The cash inflow associated with the amount received from holders exercising their stock warrants. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-14 + Details
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