Condensed Financial Information of Parent Company (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Assets
Cash and due from banks	$ 4,757,889	$ 4,728,895
Premises and equipment, net	11,611,688	12,300,274
Other assets	1,753,945	2,136,907
Total assets	334,797,676	315,212,096
Liabilities
Other liabilities	1,578,295	1,402,049
Total liabilities	298,212,705	287,197,312
Total shareholders' equity	36,584,971	28,014,784
Total liabilities and shareholders' equity	334,797,676	315,212,096
Parent Company [Member]
Assets
Cash and due from banks	9,053,069	63,129	49,227
Investments in subsidiaries	31,324,616	27,917,081
Premises and equipment, net	1,168	1,760
Other assets	274,226	316,962
Total assets	40,653,079	28,298,932
Liabilities
Deferred directors' compensation	249,645	210,973
Other liabilities	3,818,463	168,216
Total liabilities	4,068,108	379,189
Total shareholders' equity	36,584,971	27,919,743
Total liabilities and shareholders' equity	$ 40,653,079	$ 28,298,932