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Note 14 - Subsequent Events (Details Textual) - $ / shares | 3 Months Ended
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Mar. 31, 2024 | Dec. 31, 2023
Monthly Dividend [Member] | Forecast [Member] |  |
Common Stock, Dividends, Per Share, Declared (in dollars per share) | $ 0.0075 | $ 0.0075

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 + Details
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Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |