Earnings Per Common Share Diluted EPS (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Available to Common Stockholders, Basic	$ 2,107,692	$ 1,902,902	$ 5,657,763	$ 5,009,467
Weighted Average Shares Outstanding (Basic)	2,953,424	2,945,474	2,953,340	2,945,215
Net Income Per Common Share (Basic)	$ 0.71	$ 0.65	$ 1.92	$ 1.70
Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities	$ 90,960	$ 75,266	$ 272,880	$ 226,149
Weighted Average Shares Outstanding, Senior Convertible Debentures	303,200	303,200	303,200	303,200
Weighted Average Number Diluted Shares Outstanding Adjustment	2,348	1,152		0
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities	(0.03)	(0.02)	(0.10)	(0.08)
Net Income (Loss) Available to Common Stockholders, Diluted	$ 2,198,652	$ 1,978,168	$ 5,930,643	$ 5,235,616
Weighted Average Shares Outstanding (Diluted)	3,256,624	3,252,436	3,256,540	3,251,666
Net Income Per Common Share (Diluted)	$ 0.68	$ 0.61	$ 1.82	$ 1.61