CONSOLIDATED STATEMENTS OF INCOME - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Interest and fee income
Loans, including fees	$ 15,126,316	$ 13,287,318	$ 12,851,900
Taxable securities	1,872,285	1,585,505	1,297,636
Tax-exempt securities	744,713	1,026,513	1,007,438
Other	393,597	269,811	138,623
Total interest and fee income	18,136,911	16,169,147	15,295,597
Interest expense
Deposits	694,386	423,863	378,740
Total interest expense	694,386	423,863	378,740
Net interest income	17,442,525	15,745,284	14,916,857
Provision for loan losses	325,000	55,000	570,000
Net interest income after provision for loan losses	17,117,525	15,690,284	14,346,857
Other income
Service charges and fees	1,168,808	1,135,037	1,061,349
Mortgage banking income	786,893	1,057,457	1,387,740
Gain on sales of securities	4,735	45,820	380,904
Other non-interest income	34,189	30,157	31,090
Total other income	1,994,625	2,268,471	2,861,083
Other expense
Salaries and employee benefits	6,488,229	6,060,831	6,087,929
Net occupancy expense	1,580,929	1,571,076	1,528,048
Net other real estate owned expenses	57,613	92,652	16,691
Other operating expenses	2,953,463	2,517,737	2,639,776
Total other expense	11,080,234	10,242,296	10,272,444
Income before income tax expense	8,031,916	7,716,459	6,935,496
Income tax expense	1,108,982	2,814,634	1,688,433
Net Income	$ 6,922,934	$ 4,901,825	$ 5,247,063
Weighted average shares outstanding
Basic (in shares)	5,500,027	5,471,001	5,428,884
Diluted (in shares)	5,589,012	5,568,493	5,561,739
Basic income per common share (in dollars per share)	$ 1.26	$ 0.90	$ 0.97
Diluted income per common share (in dollars per share)	$ 1.24	$ 0.88	$ 0.94