CONSOLIDATED STATEMENTS OF INCOME (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Interest income:
Loans, including fees	$ 12,081,649	$ 11,970,684	$ 13,083,935
Investment securities:
Taxable	1,836,547	2,260,962	2,518,661
Tax-exempt	1,507,882	1,764,953	1,825,118
Dividends	38,481	35,198	28,275
Interest-bearing deposits	65,113	61,567	85,531
Total interest income	15,529,672	16,093,364	17,541,520
Interest expense:
Deposits	1,050,460	1,526,829	2,458,854
Other borrowings	1,070	41	16,288
Total interest expense	1,051,530	1,526,870	2,475,142
Net interest income	14,478,142	14,566,494	15,066,378
Provision for loan losses	2,400,000	3,882,409	2,465,000
Net interest income after provision for loan losses	12,078,142	10,684,085	12,601,378
Noninterest income:
Service charges on deposits	3,219,457	3,453,742	3,714,924
Gains on sales of securities	681,327	201,421	590,129
Gains on sales of assets		6,162
Other operating income	2,048,077	1,799,533	1,922,566
Total noninterest income	5,948,861	5,460,858	6,227,619
Noninterest expense:
Salaries and employee benefits	6,671,456	6,905,780	7,851,648
Occupancy and equipment	2,527,437	2,531,892	2,536,703
Other real estate owned, net	3,355,312	1,671,841	2,515,448
Other operating expenses	5,605,045	5,849,361	6,198,751
Total noninterest expense	18,159,250	16,958,874	19,102,550
Loss before income taxes benefit	(132,247)	(813,931)	(273,553)
Income tax benefit	(901,070)	(1,082,557)	(902,749)
Net income	768,823	268,626	629,196
Preferred dividends	236,820	236,820	313,624
Net income available to common stockholders	$ 532,003	$ 31,806	$ 315,572
Net income per common share-basic and diluted (in dollars per share)	$ 0.25	$ 0.02	$ 0.15
Weighted average outstanding shares:
Basic (in shares)	2,157,732	2,120,366	2,107,619
Diluted (in shares)	2,165,396	2,134,188	2,126,497