Loans and Allowance for Loan Losses - Schedule of Allowance for Loan Losses Methodology (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Beginning balance	$ 3,428,869	$ 3,043,632	$ 3,124,611
Charge-offs	750,757	606,345	447,747
Recoveries	69,559	162,082	66,768
Net charge-offs	681,198	444,263
Provisions charged to operations	856,677	829,500	300,000
Individually evaluated for impairment	478,153	518,230
Collectively evaluated for impairment	3,126,195	2,910,639
Balance at end of period	3,604,348	3,428,869	3,043,632
Individually evaluated for impairment	2,195,151	4,505,505
Collectively evaluated for impairment	395,887,369	372,262,183
Balance at end of period	398,082,520	376,767,688
Commercial, Financial and Agricultural [Member]
Beginning balance	402,251	324,260
Charge-offs	179,241	548,460
Recoveries	20,029	12,025
Net charge-offs	159,212	536,435
Provisions charged to operations	258,307	614,426
Individually evaluated for impairment	430,318	276,392
Collectively evaluated for impairment	71,028	125,859
Balance at end of period	501,346	402,251	324,260
Individually evaluated for impairment	1,161,293	656,341
Collectively evaluated for impairment	86,280,196	87,746,874
Balance at end of period	87,441,489	88,403,215
Construction Real Estate [Member]
Beginning balance	1,043,027	1,043,083
Charge-offs	56,220	783
Recoveries	0	0
Net charge-offs	56,220	783
Provisions charged to operations	48,417	727
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	1,035,224	1,043,027
Balance at end of period	1,035,224	1,043,027	1,043,083
Individually evaluated for impairment	63,708	281,434
Collectively evaluated for impairment	28,762,391	24,609,102
Balance at end of period	28,826,099	24,890,536
Commercial Real Estate [Member]
Beginning balance	1,210,302	1,056,595
Charge-offs	274,550	43,349
Recoveries	3,368	590
Net charge-offs	271,182	42,759
Provisions charged to operations	420,195	196,466
Individually evaluated for impairment	47,690	51,854
Collectively evaluated for impairment	1,311,625	1,158,448
Balance at end of period	1,359,315	1,210,302	1,056,595
Individually evaluated for impairment	404,021	1,611,503
Collectively evaluated for impairment	142,618,059	121,865,866
Balance at end of period	143,022,080	123,477,369
Residential Real Estate [Member]
Beginning balance	458,871	416,474
Charge-offs	226,540	6,909
Recoveries	39,812	0
Net charge-offs	186,728	6,909
Provisions charged to operations	147,666	49,306
Individually evaluated for impairment	0	188,368
Collectively evaluated for impairment	419,809	270,503
Balance at end of period	419,809	458,871	416,474
Individually evaluated for impairment	553,468	1,929,214
Collectively evaluated for impairment	101,686,449	101,418,684
Balance at end of period	102,239,917	103,347,898
Agricultural Real Estate [Member]
Beginning balance	108,878	11,560
Charge-offs	0	0
Recoveries	0	147,252
Net charge-offs	0	(147,252)
Provisions charged to operations	(31,998)	(49,934)
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	76,880	108,878
Balance at end of period	76,880	108,878	11,560
Individually evaluated for impairment	0	12,526
Collectively evaluated for impairment	31,459,274	31,549,160
Balance at end of period	31,459,274	31,561,686
Consumer and Other [Member]
Beginning balance	205,540	191,660
Charge-offs	14,206	6,844
Recoveries	6,350	2,215
Net charge-offs	7,856	4,629
Provisions charged to operations	14,090	18,509
Individually evaluated for impairment	145	1,616
Collectively evaluated for impairment	211,629	203,924
Balance at end of period	211,774	205,540	$ 191,660
Individually evaluated for impairment	12,661	14,487
Collectively evaluated for impairment	5,081,000	5,072,497
Balance at end of period	$ 5,093,661	$ 5,086,984