Note 7 - Income Taxes (Details Textual) - USD ($)	Mar. 31, 2026	Dec. 31, 2025
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 7,900,000	$ 7,900,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	$ 625,000	$ 625,000

The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 217
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-217

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15A
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15A

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