Note 11 - Other Income, Net - Schedule of Components of Other Income, Net (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Equity Securities	$ 90,469	$ (108,868)
Gains on Asset Sales	18,110	611,281
Interest Income	520,319	348,615
Settlements of Class Action Lawsuits		408
Agricultural Rental Income	11,476	5,600
Dividend Income	463	2,902
Income from Other Investments	8,500	16,500
Interest and Other Expenses	(46,157)	(47,724)
Other Income, Net	$ 603,180	$ 828,714