Loans and Allowance for Loan Losses - Schedule of Allowance for Loan Losses Methodology (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Beginning balance	$ 3,100,000	$ 2,754,614	$ 2,532,856
Charge-offs	(796,852)	(807,045)	(682,485)
Recoveries	96,755	168,764	304,243
Net charge-offs	700,097
Provisions charged to operations	445,000	983,667	600,000
Individually evaluated for impairment	245,811
Collectively evaluated for impairment	2,599,092
Ending balance	2,844,903	3,100,000	2,754,614
Individually evaluated for impairment	6,084,176
Collectively evaluated for impairment	198,082,940
Balance at end of period	201,292,113	178,202,314
Commercial, Financial, And Agricultural Loans [Member]
Beginning balance	392,222
Charge-offs	285,710
Recoveries	59,909
Net charge-offs	225,801
Provisions charged to operations	143,525
Individually evaluated for impairment	33,238
Collectively evaluated for impairment	276,708
Ending balance	309,946
Individually evaluated for impairment	53,634
Collectively evaluated for impairment	40,453,168
Balance at end of period	40,506,802	36,677,906
Construction Real Estate [Member]
Beginning balance	1,122,650
Charge-offs	248,637
Recoveries	0
Net charge-offs	248,637
Provisions charged to operations	158,040
Individually evaluated for impairment	0
Collectively evaluated for impairment	1,032,053
Ending balance	1,032,053
Individually evaluated for impairment	224,502
Collectively evaluated for impairment	16,764,315
Balance at end of period	16,988,817
Commercial Mortgage Loans [Member]
Beginning balance	1,046,827
Charge-offs	9,439
Recoveries	10,716
Net charge-offs	(1,277)
Provisions charged to operations	(812)
Individually evaluated for impairment	70,040
Collectively evaluated for impairment	977,252
Ending balance	1,047,292
Individually evaluated for impairment	1,943,134
Collectively evaluated for impairment	68,116,276
Balance at end of period	70,059,410	60,599,120
Residential Loans [Member]
Beginning balance	365,455
Charge-offs	241,176
Recoveries	19,283
Net charge-offs	221,893
Provisions charged to operations	141,041
Individually evaluated for impairment	137,040
Collectively evaluated for impairment	147,563
Ending balance	284,603
Individually evaluated for impairment	3,778,183
Collectively evaluated for impairment	58,655,156
Balance at end of period	62,433,339	59,177,824
Agricultural Loans [Member]
Beginning balance	0
Charge-offs	0
Recoveries	0
Net charge-offs	0
Provisions charged to operations	0
Individually evaluated for impairment	0
Collectively evaluated for impairment	0
Ending balance	0
Individually evaluated for impairment	74,081
Collectively evaluated for impairment	10,095,170
Balance at end of period	10,169,251	6,283,665
Consumer & Other Loans [Member]
Beginning balance	172,846
Charge-offs	11,890
Recoveries	6,847
Net charge-offs	5,043
Provisions charged to operations	3,206
Individually evaluated for impairment	5,493
Collectively evaluated for impairment	165,516
Ending balance	171,009
Individually evaluated for impairment	10,642
Collectively evaluated for impairment	3,998,855
Balance at end of period	$ 4,009,497	$ 5,369,787