Condensed Consolidated Statements of Retained Earnings (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Condensed Consolidated Statements of Retained Earnings (Unaudited)
Retained earnings at beginning of period	$ 31,196,823	$ 30,228,793
Net income	1,698,629	1,309,112
Cash dividends declared in the period, $.93 per share in 2018 and $.95 in 2017	(898,503)	(917,825)
Retained earnings at end of period	$ 31,996,949	$ 30,620,080