Condensed Consolidated Statement of Stockholders' Equity (Unaudited) - 6 months ended Jun. 30, 2016 - 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, 2015	$ 685,900	$ 50,441,464	$ (37,279,069)	$ 53,258,126	$ (683,956)	$ 66,422,465
Net income				2,532,757		2,532,757
Change in unrealized gain on available-for-sale securities, net of income taxes					1,471,466	1,471,466
Dividends on common stock ($0.08 per share)				(709,291)		(709,291)
Stock award plans		(159,640)	372,900			213,260
Stock options exercised	1,650	84,150				85,800
Balance at Jun. 30, 2016	$ 687,550	$ 50,365,974	$ (36,906,169)	$ 55,081,592	$ 787,510	$ 70,016,457