Loans and Allowance for Loan Losses - Schedule of Past Due Loans and Nonaccrual Loans (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Total Past Due Loans	$ 1,526,599	$ 3,262,152
Nonaccrual Loans	2,123,416	1,674,656
Current Loans	363,012,198	325,254,503
Total Loans	366,662,213	330,191,311
Financing Receivables, 30 to 89 Days Past Due [Member]
Total Past Due Loans	1,526,599	3,262,152
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due Loans	0	0
Commercial, Financial and Agricultural Loans [Member]
Total Past Due Loans	517,622	364,527
Nonaccrual Loans	225,511	394,455
Current Loans	86,974,534	72,387,415
Total Loans	87,717,667	73,146,397
Commercial, Financial and Agricultural Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Total Past Due Loans	517,622	364,527
Commercial, Financial and Agricultural Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due Loans	0	0
Construction Loans [Member]
Total Past Due Loans	314,468	198,861
Nonaccrual Loans	189,830	0
Current Loans	30,295,374	22,088,151
Total Loans	30,799,672	22,287,012
Construction Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Total Past Due Loans	314,468	198,861
Construction Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due Loans	0	0
Commercial Mortgage Loans [Member]
Total Past Due Loans	200,614	645,214
Nonaccrual Loans	1,022,550	757,085
Current Loans	104,712,024	105,056,043
Total Loans	105,935,188	106,458,342
Commercial Mortgage Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Total Past Due Loans	200,614	645,214
Commercial Mortgage Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due Loans	0	0
Residential Loans [Member]
Total Past Due Loans	472,119	2,023,517
Nonaccrual Loans	275,430	518,301
Current Loans	104,049,924	96,617,789
Total Loans	104,797,473	99,159,607
Residential Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Total Past Due Loans	472,119	2,023,517
Residential Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due Loans	0	0
Agricultural Loans [Member]
Total Past Due Loans	0	0
Nonaccrual Loans	332,679	0
Current Loans	31,901,555	25,373,621
Total Loans	32,234,234	25,373,621
Agricultural Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Total Past Due Loans	0	0
Agricultural Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due Loans	0	0
Consumer and Other Loans [Member]
Total Past Due Loans	21,776	30,033
Nonaccrual Loans	77,416	4,815
Current Loans	5,078,787	3,731,484
Total Loans	5,177,979	3,766,332
Consumer and Other Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Total Past Due Loans	21,776	30,033
Consumer and Other Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due Loans	$ 0	$ 0