Note 11 - Other Income, Net - Schedule of Components of Other Income, Net (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Net Realized and Unrealized Gain (Loss) on Equity Securities	$ (108,868)	$ 83,622
Gains on Asset Sales	611,281	59,683
Interest Income	348,615	130,498
Settlements of Class Action Lawsuits	408	3,540
Agricultural Rental Income	5,600	5,600
Dividend Income	2,902	2,597
Income from Other Investments	16,500	445,000
Interest and Other Expenses	(47,724)	(47,143)
Other Income, Net	$ 828,714	$ 683,397