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Note 11 - Income Taxes (Details Textual) $ in Millions | 12 Months Ended
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Dec. 31, 2023 USD ($)
Recognized Built In Losses [Member] |
Operating Loss Carryforwards | $ 10.6
Domestic Tax Authority [Member] |
Operating Loss Carryforwards | $ 24.7
Open Tax Year | 2020 2021 2022 2023
State and Local Jurisdiction [Member] |
Open Tax Year | 2019 2020 2021 2022 2023

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- Definition Tax year that remains open to examination under enacted tax laws, in YYYY format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15 + Details
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Data Type: | dtr-types:gYearListItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-3 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | debit
Period Type: | instant

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

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

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- Details
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