Loans and Allowance for Loan Losses - Past Due Loans and Nonaccrual Loans (Details) - USD ($)	Mar. 31, 2016	Dec. 31, 2015
30-89 Days Past Due	$ 3,267,101	$ 3,853,614
Greater than 90 Days	0	521
Total Past Due Loans	3,267,101	3,854,135
Nonaccrual Loans	5,358	1,545,599
Current Loans	267,514,542	245,405,647
Total Loans	270,787,001	250,805,381
Commercial, Financial And Agricultural Loans [Member]
30-89 Days Past Due	708,701	449,618
Greater than 90 Days	0	521
Total Past Due Loans	708,701	450,139
Nonaccrual Loans	5,358	0
Current Loans	63,030,879	57,723,048
Total Loans	63,744,938	58,173,187
Construction Loans [Member]
30-89 Days Past Due	362,661	121,694
Greater than 90 Days	0	0
Total Past Due Loans	362,661	121,694
Nonaccrual Loans	0	0
Current Loans	24,395,699	19,709,376
Total Loans	24,758,360	19,831,070
Commercial Mortgage Loans [Member]
30-89 Days Past Due	1,080,712	810,515
Greater than 90 Days	0	0
Total Past Due Loans	1,080,712	810,515
Nonaccrual Loans	0	0
Current Loans	88,833,309	84,966,844
Total Loans	89,914,021	85,777,359
Residential Loans [Member]
30-89 Days Past Due	957,636	2,238,684
Greater than 90 Days	0	0
Total Past Due Loans	957,636	2,238,684
Nonaccrual Loans	0	639,094
Current Loans	71,518,521	65,091,341
Total Loans	72,476,157	67,969,119
Agricultural Loans [Member]
30-89 Days Past Due	99,697	148,761
Greater than 90 Days	0	0
Total Past Due Loans	99,697	148,761
Nonaccrual Loans	0	906,505
Current Loans	16,019,570	14,565,000
Total Loans	16,119,267	15,620,266
Consumer And Other Loans [Member]
30-89 Days Past Due	57,694	84,342
Greater than 90 Days	0	0
Total Past Due Loans	57,694	84,342
Nonaccrual Loans	0	0
Current Loans	3,716,564	3,350,038
Total Loans	$ 3,774,258	$ 3,434,380