Loans and Allowance for Loan Losses - Schedule of Allowance for Loan Losses Methodology (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Beginning balance	$ 3,043,632	$ 3,124,611	$ 3,032,242
Charge-offs	606,345	447,747	116,006
Recoveries	162,082	66,768	48,375
Net charge-offs	444,263	380,979
Provisions charged to operations	829,500	300,000	160,000
Individually evaluated for impairment	518,230	331,779
Collectively evaluated for impairment	2,910,639	2,711,853
Balance at end of period	3,428,869	3,043,632	3,124,611
Individually evaluated for impairment	4,505,505	8,062,312
Collectively evaluated for impairment	372,262,183	322,128,999
Balance at end of period	376,767,688	330,191,311
Commercial, Financial and Agricultural [Member]
Beginning balance	324,260	191,267
Charge-offs	548,460	113,334
Recoveries	12,025	63,486
Net charge-offs	536,435	49,848
Provisions charged to operations	614,426	182,841
Individually evaluated for impairment	276,392	44,468
Collectively evaluated for impairment	125,859	279,792
Balance at end of period	402,251	324,260	191,267
Individually evaluated for impairment	656,341	459,003
Collectively evaluated for impairment	87,746,874	72,687,394
Balance at end of period	88,403,215	73,146,397
Construction Real Estate [Member]
Beginning balance	1,043,083	1,043,083
Charge-offs	783	0
Recoveries	0	0
Net charge-offs	783	0
Provisions charged to operations	727	0
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	1,043,027	1,043,083
Balance at end of period	1,043,027	1,043,083	1,043,083
Individually evaluated for impairment	281,434	428,799
Collectively evaluated for impairment	24,609,102	21,858,213
Balance at end of period	24,890,536	22,287,012
Commercial Real Estate [Member]
Beginning balance	1,056,595	1,192,098
Charge-offs	43,349	168,717
Recoveries	590	0
Net charge-offs	42,759	168,717
Provisions charged to operations	196,466	33,214
Individually evaluated for impairment	51,854	57,403
Collectively evaluated for impairment	1,158,448	999,192
Balance at end of period	1,210,302	1,056,595	1,192,098
Individually evaluated for impairment	1,611,503	4,561,198
Collectively evaluated for impairment	121,865,866	101,897,144
Balance at end of period	123,477,369	106,458,342
Residential Real Estate [Member]
Beginning balance	416,474	420,189
Charge-offs	6,909	59,764
Recoveries	0	0
Net charge-offs	6,909	59,764
Provisions charged to operations	49,306	56,049
Individually evaluated for impairment	188,368	224,916
Collectively evaluated for impairment	270,503	191,558
Balance at end of period	458,871	416,474	420,189
Individually evaluated for impairment	1,929,214	2,448,531
Collectively evaluated for impairment	101,418,684	96,711,076
Balance at end of period	103,347,898	99,159,607
Agricultural Real Estate [Member]
Beginning balance	11,560	86,656
Charge-offs	0	93,503
Recoveries	147,252	0
Net charge-offs	(147,252)	93,503
Provisions charged to operations	(49,934)	18,407
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	108,878	11,560
Balance at end of period	108,878	11,560	86,656
Individually evaluated for impairment	12,526	142,966
Collectively evaluated for impairment	31,549,160	25,230,655
Balance at end of period	31,561,686	25,373,621
Consumer and Other [Member]
Beginning balance	191,660	191,318
Charge-offs	6,844	12,429
Recoveries	2,215	3,282
Net charge-offs	4,629	9,147
Provisions charged to operations	18,509	9,489
Individually evaluated for impairment	1,616	4,992
Collectively evaluated for impairment	203,924	186,668
Balance at end of period	205,540	191,660	$ 191,318
Individually evaluated for impairment	14,487	21,815
Collectively evaluated for impairment	5,072,497	3,744,517
Balance at end of period	$ 5,086,984	$ 3,766,332