Note 10 - Income Taxes (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 135,000
Deferred Tax Assets, Valuation Allowance	8,000,000
Operating Loss Carryforwards	33,500,000
Income Taxes Paid, Net	0	$ 0
Deferred Tax Assets, Net of Valuation Allowance	$ 0
Effective Income Tax Rate Reconciliation, Percent	142.00%	0.00%