Loans and Allowance for Loan Losses - Schedule of Changes in Allowance for Loan Losses (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Loans and Leases Receivable, Allowance [Abstract]
Beginning balance	$ 3,100,000	$ 2,754,614	$ 2,532,856
Provisions charged to operations	445,000	983,667	600,000
Loans charged off	(796,852)	(807,045)	(682,485)
Recoveries	96,755	168,764	304,243
Ending balance	$ 2,844,903	$ 3,100,000	$ 2,754,614