Note 9 - Leases and Commitments - Classification of Right of Use Assets (Details) - USD ($)		Mar. 31, 2023	Dec. 31, 2022
Total Leased Assets		$ 11,994	$ 18,973
Land, Buildings and Equipment, Net [Member]
Finance	[1]	$ 11,994	$ 18,973

[1] Finance lease assets are net of accumulated amortization of $106,586 and $79,524 for the years ended December 31, 2022 and 2021, respectively.