Note 4 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Deferred Tax Assets, Gross, Total	$ 626,000	$ 424,000
Effective Income Tax Rate Reconciliation, Percent, Total	25.63%
Cumulative Operating Loss Carryforwards, Net	$ 2,440,000	$ 1,655,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent	4.63%
Operating Loss Carryforwards, Total	$ 2,440,000