Loans and Allowance for Loan Losses - Schedule of Past Due Loans and Nonaccrual Loans (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Total Past Due Loans	$ 2,106,700	$ 3,262,152
Nonaccrual Loans	1,719,623	1,674,656
Current Loans	342,043,193	325,254,503
Total Loans	345,869,516	330,191,311
Financing Receivables, 30 to 89 Days Past Due [Member]
Total Past Due Loans	2,106,700	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	752,019	364,527
Nonaccrual Loans	481,448	394,455
Current Loans	76,948,235	72,387,415
Total Loans	78,181,702	73,146,397
Commercial, Financial and Agricultural Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Total Past Due Loans	752,019	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	389,654	198,861
Nonaccrual Loans	0	0
Current Loans	23,549,017	22,088,151
Total Loans	23,938,671	22,287,012
Construction Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Total Past Due Loans	389,654	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	582,416	645,214
Nonaccrual Loans	1,153,804	757,085
Current Loans	101,520,655	105,056,043
Total Loans	103,256,875	106,458,342
Commercial Mortgage Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Total Past Due Loans	582,416	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	351,938	2,023,517
Nonaccrual Loans	81,436	518,301
Current Loans	103,128,799	96,617,789
Total Loans	103,562,173	99,159,607
Residential Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Total Past Due Loans	351,938	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	0	0
Current Loans	31,835,341	25,373,621
Total Loans	31,835,341	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	30,673	30,033
Nonaccrual Loans	2,935	4,815
Current Loans	5,061,146	3,731,484
Total Loans	5,094,754	3,766,332
Consumer and Other Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Total Past Due Loans	30,673	30,033
Consumer and Other Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Total Past Due Loans	$ 0	$ 0