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Note 11 - Income Taxes (Details Textual) | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Effective Income Tax Rate Reconciliation, Percent | 19.80% | 10.80%
Domestic Tax Jurisdiction [Member] | Internal Revenue Service (IRS) [Member] |  |
Open Tax Year | 2022 2023 2024 |
State and Local Jurisdiction [Member] | California Franchise Tax Board [Member] |  |
Open Tax Year | 2021 2022 2023 2024 |

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 231 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-231 + Details
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