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Note 7 - Income Taxes (Details Textual) - USD ($)	6 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 6,700,000
Unrecognized Tax Benefits, Income Tax Penalties Accrued	0	$ 5,300,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	$ 389,000	$ 389,000
Domestic Tax Jurisdiction [Member]
Open Tax Year	2020 2021 2022 2023
State and Local Jurisdiction [Member]
Open Tax Year	2019 2020 2021 2022 2023

X

- 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

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X

- Definition

Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Subparagraph (c)
-Publisher FASB
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X

- Definition

Amount of interest expense accrued for an underpayment of income taxes.

+ References

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-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Subparagraph (c)
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- Definition

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

+ References

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

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