Note 9 - Income Taxes - Schedule of Income Tax Reconciliation (Details)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Statutory U.S. income tax rate	21.00%	21.00%
State taxes, net of federal benefit	9.42%	(1.34%)
Permanent differences	0.84%	(0.87%)
Change in valuation allowance	(48.79%)	(48.01%)
Change in tax credits	(4.59%)	16.59%
Uncertain tax position	19.25%	0.00%
Impact from rate changes	(10.48%)	10.14%
Effective income tax rate	(13.35%)	(2.49%)