Condensed Consolidated Statement of Stockholders' Equity (Unaudited) - 6 months ended Jun. 30, 2018 - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance at Dec. 31, 2017	$ 687,850	$ 50,856,069	$ (37,125,541)	$ 60,679,308	$ (206,193)	$ 74,891,493
Net income				1,012,761		1,012,761
Other comprehensive income					64,074	64,074
Dividends on common stock ($0.24 per share)				(1,067,043)		(1,067,043)
Stock award plans		125,878	158,592			284,470
Stock options exercised	1,200	61,230				62,430
Balance at Jun. 30, 2018	$ 689,050	$ 51,043,177	$ (36,966,949)	$ 60,625,026	$ (142,119)	$ 75,248,185

Amount of increase to additional paid-in capital (APIC) from recognition of equity-based compensation.

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