Consolidated Statements of Retained Earnings - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Consolidated Statements of Retained Earnings
Retained earnings at beginning of year	$ 28,077,791	$ 27,207,970
Net income	1,687,641	1,951,889
Cash dividends paid, $.97 and $1.12 per share in 2015 and 2014, respectively	(937,148)	(1,082,068)
Retained earnings at end of year	$ 28,828,284	$ 28,077,791