Loans and Allowance for Loan Losses - Past Due Loans and Nonaccrual Loans (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
30-89 Days Past Due	$ 3,315,899	$ 6,168,890
Greater than 90 Days	0	0
Total Accruing Past Due Loans	3,315,899	6,168,890
Nonaccrual Loans	1,134,004	25,187
Current Loans	217,071,746	197,973,039
Total Loans	221,521,649	204,167,116
Commercial, Financial And Agricultural Loans [Member]
30-89 Days Past Due	655,948	317,692
Greater than 90 Days	0	0
Total Accruing Past Due Loans	655,948	317,692
Nonaccrual Loans	3,389	0
Current Loans	37,504,628	40,189,110
Total Loans	38,163,965	40,506,802
Construction Loans [Member]
30-89 Days Past Due	297,887	306,673
Greater than 90 Days	0	0
Total Accruing Past Due Loans	297,887	306,673
Nonaccrual Loans	0	0
Current Loans	20,314,933	16,682,144
Total Loans	20,612,820	16,988,817
Commercial Real Estate [Member]
30-89 Days Past Due	97,577	568,127
Greater than 90 Days	0	0
Total Accruing Past Due Loans	97,577	568,127
Nonaccrual Loans	798,452	0
Current Loans	80,381,924	69,491,283
Total Loans	81,277,953	70,059,410
Residential Real Estate [Member]
30-89 Days Past Due	2,196,918	4,923,435
Greater than 90 Days	0	0
Total Accruing Past Due Loans	2,196,918	4,923,435
Nonaccrual Loans	148,630	25,187
Current Loans	62,249,951	57,484,717
Total Loans	64,595,499	62,433,339
Agricultural Loans [Member]
30-89 Days Past Due	38,547	0
Greater than 90 Days	0	0
Total Accruing Past Due Loans	38,547	0
Nonaccrual Loans	183,533	0
Current Loans	13,180,572	10,169,251
Total Loans	13,402,652	10,169,251
Consumer And Other Loans [Member]
30-89 Days Past Due	29,022	52,963
Greater than 90 Days	0	0
Total Accruing Past Due Loans	29,022	52,963
Nonaccrual Loans	0	0
Current Loans	3,439,738	3,956,534
Total Loans	$ 3,468,760	$ 4,009,497