Note 5 - Income Tax Provision (Details Textual) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2023	Dec. 31, 2024
Effective Income Tax Rate Reconciliation, Percent	14.00%	18.10%	11.50%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 79
Deferred Tax Assets, Valuation Allowance	$ 390,000		$ 309,000