Note 9 - Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Deferred Tax Assets, Net of Valuation Allowance	$ 7,586	$ 4,864
Deferred Tax Liabilities, Gross	798	748
Deferred Tax Assets, Capital Loss Carryforwards	802	0
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	(3,596)
Unrecognized Tax Benefits	1,419	0
Unrecognized Tax Benefits, Period Increase (Decrease)	1,419
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	1,419
Domestic Tax Jurisdiction [Member]
Net Operating Loss, Utilized Amount	$ 7,915	$ 4,911
Domestic Tax Jurisdiction [Member] | Internal Revenue Service (IRS) [Member]
Open Tax Year	2019 2020 2021 2022 2023