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Note 12 - Income Taxes (Details Textual) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Unrecognized Tax Benefits	$ 17.7	$ 17.7		$ 18.1
Decrease in Unrecognized Tax Benefits is Reasonably Possible	0.4	0.4
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense		0.2	$ 0.2
Deferred Tax Assets, Valuation Allowance	1.4	$ 1.4		$ 1.2
Income Tax Reduction From Capitalized Research and Development Expenditures	$ 8.5

X

- Definition

The amount of income tax reduction from the capitalized research and development expenditures.

+ References

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- Definition

Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of unrecognized tax benefits.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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