CONSOLIDATED STATEMENTS OF INCOME - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Interest and fee income
Loans, including fees	$ 15,055,981	$ 15,994,290	$ 15,126,316
Taxable securites	1,628,753	1,617,471	1,872,285
Tax-exempt securities	370,998	570,623	744,713
Other	184,024	729,868	393,597
Total interest and fee income	17,239,756	18,912,252	18,136,911
Interest expense
Deposits	305,414	815,171	694,386
Total interest expense	305,414	815,171	694,386
Net interest income	16,934,342	18,097,081	17,442,525
Provision for loan losses	240,000	180,000	325,000
Net interest income after provision for loan losses	16,694,342	17,917,081	17,117,525
Other income
Service charges and fees	1,094,985	1,175,657	1,168,808
Mortgage banking income	2,267,406	940,671	786,893
Gain on sales of securities, net	10,002	50,707	4,735
Other non-interest income	32,508	31,574	34,189
Total other income	3,404,901	2,198,609	1,994,625
Other expense
Salaries and employee benefits	7,219,005	6,809,258	6,488,229
Net occupancy expense	2,216,727	1,623,590	1,580,929
Other operating expenses	1,245,485	1,257,040	1,914,449
Data processing fees	646,590	607,467	579,666
Professional expenses	345,126	324,628	459,348
Net other real estate owned expenses			57,613
Total other expense	11,672,933	10,621,983	11,080,234
Income before income tax expense	8,426,310	9,493,707	8,031,916
Income tax expense	1,965,679	2,175,274	1,108,982
Net income	$ 6,460,631	$ 7,318,433	$ 6,922,934
Weighted average shares outstanding
Basic (in shares)	5,526,948	5,522,025	5,500,027
Diluted (in shares)	5,678,543	5,588,090	5,589,012
Basic income per common share (in dollars per share)	$ 1.17	$ 1.33	$ 1.26
Diluted income per common share (in dollars per share)	$ 1.14	$ 1.31	$ 1.24