Note 12 - Income Taxes (Details Textual) - USD ($)	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Unrecognized Tax Benefits	$ 18,200		$ 19,800,000
Unrecognized Tax Benefits, Reduction From Lapse of Applicable Statue of Limitations	2,700,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	200,000	$ 300,000
Deferred Tax Assets, Valuation Allowance	$ 1,200,000		$ 2,000,000