Earnings Per Common Share Diluted EPS (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Available to Common Stockholders, Basic	$ 1,884,031	$ 1,819,954	$ 3,972,904	$ 3,550,071
Weighted Average Shares Outstanding (Basic)	2,955,650	2,953,412	2,955,086	2,953,297
Net Income Per Common Share (Basic)	$ 0.64	$ 0.62	$ 1.34	$ 1.20
Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities	$ 90,660	$ 90,960	$ 181,320	$ 181,920
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	(0.03)	(0.03)	(0.06)	(0.05)
Net Income (Loss) Available to Common Stockholders, Diluted	$ 1,974,691	$ 1,910,914	$ 4,154,224	$ 3,731,991
Weighted Average Shares Outstanding (Diluted)	3,257,850	3,257,017	3,257,286	3,256,929
Net Income Per Common Share (Diluted)	$ 0.61	$ 0.59	$ 1.28	$ 1.15