Loans and Allowance for Loan Losses - Past Due Loans and Nonaccrual Loans (Details) - USD ($)	Sep. 30, 2015	Dec. 31, 2014
30-89 Days Past Due	$ 3,878,263	$ 1,874,838
Greater than 90 Days	0	0
Total Past Due Loans	3,878,263	1,874,838
Nonaccrual Loans	1,358,842	785,572
Current Loans	233,868,881	221,765,328
Total Loans	239,105,986	224,425,738
Commercial, Financial And Agricultural Loans [Member]
30-89 Days Past Due	777,406	518,578
Greater than 90 Days	0	0
Total Past Due Loans	777,406	518,578
Nonaccrual Loans	45,842	25,500
Current Loans	50,937,361	47,317,290
Total Loans	51,760,609	47,861,368
Construction Loans [Member]
30-89 Days Past Due	0	233,734
Greater than 90 Days	0	0
Total Past Due Loans	0	233,734
Nonaccrual Loans	0	0
Current Loans	15,735,675	12,023,451
Total Loans	15,735,675	12,257,185
Commercial Mortgage Loans [Member]
30-89 Days Past Due	1,160,479	517,488
Greater than 90 Days	0	0
Total Past Due Loans	1,160,479	517,488
Nonaccrual Loans	0	681,360
Current Loans	85,839,573	75,716,946
Total Loans	87,000,052	76,915,794
Residential Loans [Member]
30-89 Days Past Due	1,909,654	534,896
Greater than 90 Days	0	0
Total Past Due Loans	1,909,654	534,896
Nonaccrual Loans	406,923	21,796
Current Loans	63,099,464	68,747,556
Total Loans	65,416,041	69,304,248
Agricultural Loans [Member]
30-89 Days Past Due	0	0
Greater than 90 Days	0	0
Total Past Due Loans	0	0
Nonaccrual Loans	906,077	37,707
Current Loans	15,209,838	14,958,369
Total Loans	16,115,915	14,996,076
Consumer And Other Loans [Member]
30-89 Days Past Due	30,724	70,142
Greater than 90 Days	0	0
Total Past Due Loans	30,724	70,142
Nonaccrual Loans	0	19,209
Current Loans	3,046,970	3,001,716
Total Loans	$ 3,077,694	$ 3,091,067