Consolidated Statements of Income - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Interest income:
Loans, including fees	$ 16,894,657	$ 16,401,554
Investment securities - taxable	869,457	610,951
Investment securities - tax exempt	580,384	570,529
Federal funds sold and other interest earning assets	357,840	185,299
Total interest income	18,702,338	17,768,333
Interest expense:
Deposits	3,519,960	2,225,616
Securities sold under repurchase agreements	114,641	144,881
Federal Home Loan Bank advances and other borrowings	45,352	136,744
Total interest expense	3,679,953	2,507,241
Net interest income	15,022,385	15,261,092
Provision for loan losses	40,000	475,000
Net interest income after provision for loan losses	14,982,385	14,786,092
Noninterest income:
Mortgage banking income	397,710	271,767
Bank owned life insurance income	364,729	161,764
Unrealized gain (loss) on equity security	16,232	(11,429)
Write down of other real estate owned	(210,150)	(55,350)
Gain on sale of SBA loans	139,535	226,026
Total noninterest income	1,493,567	1,365,273
Noninterest expense:
Salaries	5,472,609	5,194,871
Employee benefits	1,352,202	1,313,392
Occupancy	771,917	706,193
Furniture and equipment	614,543	632,330
Other	2,664,543	2,485,694
Total noninterest expense	10,875,814	10,332,480
Income before income taxes	5,600,138	5,818,885
Income taxes	1,039,334	1,106,209
Net income	$ 4,560,804	$ 4,712,676
Earnings per share - basic and diluted (in dollars per share)	$ 1.54	$ 1.61
Deposit Account [Member]
Noninterest income:
Noninterest revenue	$ 663,675	$ 670,653
Financial Service, Other [Member]
Noninterest income:
Noninterest revenue	$ 121,836	$ 101,842