Loans and Allowance for Loan Losses - Schedule of Allowance for Loan Losses Methodology (Details) - USD ($)	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
Beginning balance	$ 3,366,927	$ 3,428,869	$ 3,043,632
Charge-offs	198,848	383,544	606,345
Recoveries	46,671	53,517	162,082
Net charge-offs	152,177	330,027	444,263
Provisions charged to operations	250,390	366,298	829,500
Individually evaluated for impairment	726,871	726,871	518,230
Collectively evaluated for impairment	2,738,269	2,738,269	2,910,639
Balance at end of period	3,465,140	3,465,140	3,428,869
Individually evaluated for impairment	4,760,022	4,760,022	4,505,505
Collectively evaluated for impairment	383,525,651	383,525,651	372,262,183
Balance at end of period	388,285,673	388,285,673	376,767,688
Commercial, Financial and Agricultural [Member]
Beginning balance	503,322	402,251	324,260
Charge-offs	102,217	102,217	548,460
Recoveries	9,484	12,180	12,025
Net charge-offs	92,733	90,037	536,435
Provisions charged to operations	122,964	221,339	614,426
Individually evaluated for impairment	433,815	433,815	276,392
Collectively evaluated for impairment	99,738	99,738	125,859
Balance at end of period	533,553	533,553	402,251
Individually evaluated for impairment	1,212,780	1,212,780	656,341
Collectively evaluated for impairment	90,663,146	90,663,146	87,746,874
Balance at end of period	91,875,926	91,875,926	88,403,215
Construction Real Estate [Member]
Beginning balance	1,043,027	1,043,027	1,043,083
Charge-offs	0	0	783
Recoveries	0	0	0
Net charge-offs	0	0	783
Provisions charged to operations	0	0	727
Individually evaluated for impairment	0	0	0
Collectively evaluated for impairment	1,043,027	1,043,027	1,043,027
Balance at end of period	1,043,027	1,043,027	1,043,027
Individually evaluated for impairment	274,514	274,514	281,434
Collectively evaluated for impairment	22,702,249	22,702,249	24,609,102
Balance at end of period	22,976,763	22,976,763	24,890,536
Commercial Real Estate [Member]
Beginning balance	1,077,669	1,210,302	1,056,595
Charge-offs	89,853	274,549	43,349
Recoveries	0	3,368	590
Net charge-offs	89,853	271,181	42,759
Provisions charged to operations	138,429	187,124	196,466
Individually evaluated for impairment	46,865	46,865	51,854
Collectively evaluated for impairment	1,079,380	1,079,380	1,158,448
Balance at end of period	1,126,245	1,126,245	1,210,302
Individually evaluated for impairment	1,203,345	1,203,345	1,611,503
Collectively evaluated for impairment	120,554,224	120,554,224	121,865,866
Balance at end of period	121,855,453	121,855,453	123,477,369
Residential Real Estate [Member]
Beginning balance	458,871	458,871	416,474
Charge-offs	0	0	6,909
Recoveries	35,940	35,940	0
Net charge-offs	(35,940)	(35,940)	6,909
Provisions charged to operations	(15,848)	(15,848)	49,306
Individually evaluated for impairment	245,169	245,169	188,368
Collectively evaluated for impairment	233,794	233,794	270,503
Balance at end of period	478,963	478,963	458,871
Individually evaluated for impairment	2,055,845	2,055,845	1,929,214
Collectively evaluated for impairment	101,073,621	101,073,621	101,418,684
Balance at end of period	103,129,466	103,129,466	103,347,898
Agricultural Real Estate [Member]
Beginning balance	76,880	108,878	11,560
Charge-offs	0	0	0
Recoveries	0	0	147,252
Net charge-offs	0	0	(147,252)
Provisions charged to operations	0	(31,998)	(49,934)
Individually evaluated for impairment	0	0	0
Collectively evaluated for impairment	76,880	76,880	108,878
Balance at end of period	76,880	76,880	108,878
Individually evaluated for impairment	0	0	12,526
Collectively evaluated for impairment	31,145,318	31,145,318	31,549,160
Balance at end of period	31,145,318	31,145,318	31,561,686
Consumer and Other [Member]
Beginning balance	207,158	205,540	191,660
Charge-offs	6,778	6,778	6,844
Recoveries	1,247	2,029	2,215
Net charge-offs	5,531	4,749	4,629
Provisions charged to operations	4,845	5,681	18,509
Individually evaluated for impairment	1,022	1,022	1,616
Collectively evaluated for impairment	205,450	205,450	203,924
Balance at end of period	206,472	206,472	205,540
Individually evaluated for impairment	13,538	13,538	14,487
Collectively evaluated for impairment	5,550,270	5,550,270	5,072,497
Balance at end of period	$ 5,563,808	$ 5,563,808	$ 5,086,984