Note 8 - Income Taxes (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Effective Income Tax Rate Reconciliation, Percent	100.00%	(561.70%)	20.70%	(486.20%)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			21.00%	21.00%
Income Tax Reconciliation Change In Unrecognized Tax Benefits, Percent		599.20%		553.80%