CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income	$ 4,053,126	$ 3,934,183
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	142,859	140,276
Gain on sale of securities	(45,820)	(446,041)
Loss on sale of other real estate		13,450
Valuation and other adjustments to other real estate	46,143
Provision for loan losses	52,500	395,000
Stock-based compensation expense	54,404	58,112
Deferred income taxes	(567,272)
Net amortization of unearned discounts on investment securities	293,080	223,272
Origination of mortgage loans held for sale	(43,420,076)	(57,759,783)
Proceeds from sale of mortgage loans held for sale	44,688,456	58,617,055
Decrease (increase) in accrued interest receivable and other assets	285,460	(721,562)
Increase in accrued interest payable and other liabilities	350,649	744,530
Net cash provided by operating activities	5,933,509	5,198,492
Cash flows from investing activities:
Proceeds from calls and maturities of investment securities available for sale	4,380,870	4,728,518
Proceeds from sale of available for sale securities	20,231,265	26,113,400
Purchase of investment securities available for sale	(30,088,916)	(24,759,858)
Proceeds from sale of other real estate		85,000
Net increase in loans	(8,664,506)	(23,828,667)
Purchase of premises, equipment and leasehold improvements, net	(99,067)	(69,303)
Net cash used in investing activities	(14,240,354)	(17,730,910)
Cash flows from financing activities:
Net increase in deposit accounts	14,024,187	6,687,942
Dividends paid	(2,084,817)	(1,920,866)
Stock options exercised	294,342	333,704
Net cash provided by financing activities	12,233,712	5,100,780
Net increase (decrease) in cash and cash equivalents	3,926,867	(7,431,638)
Cash and cash equivalents at beginning of period	26,242,330	29,194,786
Cash and cash equivalents at end of period	30,169,197	21,763,148
Cash paid during the year for:
Interest	365,558	308,857
Income taxes	2,055,063	1,669,840
Supplemental disclosure for non-cash investing and financing activity:
Change in unrealized gain on securities available for sale, net of income taxes	832,782	556,309
Change in dividends payable	53,343	$ 53,663
Transfer of loans to other real estate owned	$ 90,832