Note 8 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Deferred Tax Assets, Valuation Allowance	$ 3,727,000	$ 3,145,000
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	582,000
Unrecognized Tax Benefits	0	0
Domestic Tax Jurisdiction [Member]
Operating Loss Carryforwards	$ 2,291,000	7,100,000
Open Tax Year	2021 2022 2023 2024
State and Local Jurisdiction [Member]
Open Tax Year	2020 2021 2022 2023 2024
State and Local Jurisdiction [Member] | New York State Division of Taxation and Finance [Member]
Tax Credit Carryforward, Amount	$ 198,000	$ 219,000