CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Interest and fee income
Loans, including fees	$ 3,558,986	$ 3,141,738
Taxable securities	470,503	338,847
Tax-exempt securities	228,067	270,885
Other	62,453	39,951
Total interest and fee income	4,320,009	3,791,421
Interest expense
Deposits	109,830	96,782
Total interest expense	109,830	96,782
Net interest income	4,210,179	3,694,639
Provision for loan losses	55,000	2,500
Net interest income after provision for loan losses	4,155,179	3,692,139
Other income
Service charges, fees and commissions	295,291	269,566
Mortgage banking income	139,915	275,105
Gains on sales of securities	4,348
Other non-interest income	8,391	7,203
Total other income	447,945	551,874
Other expense
Salaries and employee benefits	1,572,720	1,470,209
Net occupancy expense	383,332	364,145
Other operating expenses	685,782	637,276
Total other expenses	2,641,834	2,471,630
Income before income tax expense	1,961,290	1,772,383
Income tax expense	349,060	546,295
Net income	$ 1,612,230	$ 1,226,088
Weighted average shares outstanding
Basic (in shares)	5,489,087	5,458,475
Diluted (in shares)	5,583,371	5,580,412
Basic income per common share (in dollars per share)	$ 0.29	$ 0.22
Diluted income per common share (in dollars per share)	$ 0.29	$ 0.22