Earnings Per Common Share Diluted EPS (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Available to Common Stockholders, Basic	$ 1,730,117	$ 1,628,618
Weighted Average Shares Outstanding (Basic)	2,953,180	2,944,001
Net Income Per Common Share (Basic)	$ 0.59	$ 0.55
Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities	$ 90,960	$ 75,442
Weighted Average Shares Outstanding, Senior Convertible Debentures	303,200	304,200
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)	(0.03)
Net Income (Loss) Available to Common Stockholders, Diluted	$ 1,821,077	$ 1,704,060
Weighted Average Shares Outstanding (Diluted)	3,257,532	3,250,549
Net Income Per Common Share (Diluted)	$ 0.56	$ 0.52