Note 8 - Leases and Commitments - Classification of Right of Use Assets (Details) - USD ($)		Dec. 31, 2022	Dec. 31, 2021
Operating		$ 0	$ 22,786
Total Leased Assets		18,973	68,821
Land, Buildings and Equipment, Net [Member]
Finance	[1]	18,973	46,035
Operating Lease Right-of-use Assets [Member]
Operating		$ 0	$ 22,786

[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.