Loans and Allowance for Loan Losses - Schedule of Internal Loan Grading by Class of Loans (Details) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Total Loans	$ 345,869,516	$ 330,191,311
Commercial, Financial and Agricultural Loans [Member]
Total Loans	78,181,702	73,146,397
Construction Loans [Member]
Total Loans	23,938,671	22,287,012
Commercial Mortgage Loans [Member]
Total Loans	103,256,875	106,458,342
Residential Loans [Member]
Total Loans	103,562,173	99,159,607
Agricultural Loans [Member]
Total Loans	31,835,341	25,373,621
Consumer and Other Loans [Member]
Total Loans	5,094,754	3,766,332
Rating, Grade 1- Exceptional [Member]
Total Loans	1,389,745	1,720,290
Rating, Grade 1- Exceptional [Member] | Commercial, Financial and Agricultural Loans [Member]
Total Loans	1,097,426	1,371,135
Rating, Grade 1- Exceptional [Member] | Construction Loans [Member]
Total Loans	0	0
Rating, Grade 1- Exceptional [Member] | Commercial Mortgage Loans [Member]
Total Loans	0	0
Rating, Grade 1- Exceptional [Member] | Residential Loans [Member]
Total Loans	23,413	23,919
Rating, Grade 1- Exceptional [Member] | Agricultural Loans [Member]
Total Loans	0	0
Rating, Grade 1- Exceptional [Member] | Consumer and Other Loans [Member]
Total Loans	268,906	325,236
Rating, Grade 2- Above Avg. [Member]
Total Loans	44,523	51,421
Rating, Grade 2- Above Avg. [Member] | Commercial, Financial and Agricultural Loans [Member]
Total Loans	0	0
Rating, Grade 2- Above Avg. [Member] | Construction Loans [Member]
Total Loans	0	0
Rating, Grade 2- Above Avg. [Member] | Commercial Mortgage Loans [Member]
Total Loans	0	0
Rating, Grade 2- Above Avg. [Member] | Residential Loans [Member]
Total Loans	0	0
Rating, Grade 2- Above Avg. [Member] | Agricultural Loans [Member]
Total Loans	0	0
Rating, Grade 2- Above Avg. [Member] | Consumer and Other Loans [Member]
Total Loans	44,523	51,421
Rating, Grade 3- Acceptable [Member]
Total Loans	96,198,143	97,442,348
Rating, Grade 3- Acceptable [Member] | Commercial, Financial and Agricultural Loans [Member]
Total Loans	26,032,845	27,024,359
Rating, Grade 3- Acceptable [Member] | Construction Loans [Member]
Total Loans	2,447,663	2,085,620
Rating, Grade 3- Acceptable [Member] | Commercial Mortgage Loans [Member]
Total Loans	28,502,586	30,090,030
Rating, Grade 3- Acceptable [Member] | Residential Loans [Member]
Total Loans	25,852,885	26,304,640
Rating, Grade 3- Acceptable [Member] | Agricultural Loans [Member]
Total Loans	12,058,971	11,071,244
Rating, Grade 3- Acceptable [Member] | Consumer and Other Loans [Member]
Total Loans	1,303,193	866,455
Rating, Grade 4- Fair [Member]
Total Loans	231,921,769	217,491,441
Rating, Grade 4- Fair [Member] | Commercial, Financial and Agricultural Loans [Member]
Total Loans	45,475,568	42,821,117
Rating, Grade 4- Fair [Member] | Construction Loans [Member]
Total Loans	21,191,183	19,772,593
Rating, Grade 4- Fair [Member] | Commercial Mortgage Loans [Member]
Total Loans	69,526,437	70,518,545
Rating, Grade 4- Fair [Member] | Residential Loans [Member]
Total Loans	72,985,670	68,103,351
Rating, Grade 4- Fair [Member] | Agricultural Loans [Member]
Total Loans	19,306,808	13,781,326
Rating, Grade 4- Fair [Member] | Consumer and Other Loans [Member]
Total Loans	3,436,103	2,494,509
Rating, Grade 5a- Watch [Member]
Total Loans	2,148,357	1,952,751
Rating, Grade 5a- Watch [Member] | Commercial, Financial and Agricultural Loans [Member]
Total Loans	655,512	120,626
Rating, Grade 5a- Watch [Member] | Construction Loans [Member]
Total Loans	0	0
Rating, Grade 5a- Watch [Member] | Commercial Mortgage Loans [Member]
Total Loans	483,434	1,027,581
Rating, Grade 5a- Watch [Member] | Residential Loans [Member]
Total Loans	990,978	757,628
Rating, Grade 5a- Watch [Member] | Agricultural Loans [Member]
Total Loans	0	39,344
Rating, Grade 5a- Watch [Member] | Consumer and Other Loans [Member]
Total Loans	18,433	7,572
Rating, Grade 5b- OAEM [Member]
Total Loans	5,159,099	5,197,060
Rating, Grade 5b- OAEM [Member] | Commercial, Financial and Agricultural Loans [Member]
Total Loans	3,214,477	557,070
Rating, Grade 5b- OAEM [Member] | Construction Loans [Member]
Total Loans	0	0
Rating, Grade 5b- OAEM [Member] | Commercial Mortgage Loans [Member]
Total Loans	488,733	3,073,051
Rating, Grade 5b- OAEM [Member] | Residential Loans [Member]
Total Loans	1,123,179	1,226,841
Rating, Grade 5b- OAEM [Member] | Agricultural Loans [Member]
Total Loans	332,679	338,741
Rating, Grade 5b- OAEM [Member] | Consumer and Other Loans [Member]
Total Loans	31	1,357
Rating, Grade 6- Substandard [Member]
Total Loans	8,502,287	6,029,148
Rating, Grade 6- Substandard [Member] | Commercial, Financial and Agricultural Loans [Member]
Total Loans	1,200,281	945,238
Rating, Grade 6- Substandard [Member] | Construction Loans [Member]
Total Loans	299,825	428,799
Rating, Grade 6- Substandard [Member] | Commercial Mortgage Loans [Member]
Total Loans	4,255,685	1,749,135
Rating, Grade 6- Substandard [Member] | Residential Loans [Member]
Total Loans	2,586,048	2,743,228
Rating, Grade 6- Substandard [Member] | Agricultural Loans [Member]
Total Loans	136,883	142,966
Rating, Grade 6- Substandard [Member] | Consumer and Other Loans [Member]
Total Loans	23,565	19,782
Rating, Grade 7- Doubtful [Member]
Total Loans	505,593	306,852
Rating, Grade 7- Doubtful [Member] | Commercial, Financial and Agricultural Loans [Member]
Total Loans	505,593	306,852
Rating, Grade 7- Doubtful [Member] | Construction Loans [Member]
Total Loans	0	0
Rating, Grade 7- Doubtful [Member] | Commercial Mortgage Loans [Member]
Total Loans	0	0
Rating, Grade 7- Doubtful [Member] | Residential Loans [Member]
Total Loans	0	0
Rating, Grade 7- Doubtful [Member] | Agricultural Loans [Member]
Total Loans	0	0
Rating, Grade 7- Doubtful [Member] | Consumer and Other Loans [Member]
Total Loans	$ 0	$ 0