Earnings Per Common Share Diluted EPS (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Available to Common Stockholders, Basic	$ 2,219,467	$ 2,107,692	$ 6,192,371	$ 5,657,763
Weighted Average Shares Outstanding (Basic)	2,956,156	2,953,424	2,955,446	2,953,340
Net Income Per Common Share (Basic)	$ 0.75	$ 0.71	$ 2.10	$ 1.92
Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities	$ 90,660	$ 90,960	$ 271,980	$ 272,880
Weighted Average Shares Outstanding, Senior Convertible Debentures	302,200	303,200	302,200	303,200
Weighted Average Number Diluted Shares Outstanding Adjustment	0	432
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities	(0.04)	(0.03)	(0.12)	(0.10)
Net Income (Loss) Available to Common Stockholders, Diluted	$ 2,310,127	$ 2,198,652	$ 6,464,351	$ 5,930,643
Weighted Average Shares Outstanding (Diluted)	3,258,356	3,256,624	3,257,646	3,256,540
Net Income Per Common Share (Diluted)	$ 0.71	$ 0.68	$ 1.98	$ 1.82