Condensed Parent Information (Details 1) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
INCOME
Interest income	$ 5,174,178	$ 4,735,311	$ 4,817,353	$ 4,626,037	$ 5,001,095	$ 5,114,358	$ 5,159,803	$ 5,218,480	$ 19,352,879	$ 20,493,736	$ 25,211,428
EXPENSES
Interest expense	1,081,424	1,172,398	1,217,231	1,313,774	1,405,101	1,510,208	1,690,837	1,755,722	4,784,827	6,361,868	9,201,814
Goodwill impairment									0	0	2,541,476
Income tax benefit	156,100	154,300	118,200	149,000	(43,875)	212,125	(28,675)	48,625	(577,600)	(188,200)	1,535,297
Net income (loss)	370,715	364,246	310,585	356,517	112,822	523,668	141,287	252,275	1,402,063	1,030,052	(4,707,521)
Payment of preferred dividends	375,000	308,893	280,031	265,856	252,493	187,538	118,013	93,075	1,229,780	651,119	34,463
Accretion on preferred stock discount	17,845	16,370	15,241	14,468					63,924	36,718	0
Net income (loss) available to common shareholders	(22,130)	38,983	15,313	76,193	(153,970)	322,711	14,274	159,200	108,359	342,215	(4,741,984)
Parent [Member]
INCOME
Dividends									0	0	0
Interest income									0	0	0
Interest and Dividend Income, Operating									0	0	0
EXPENSES
Interest expense									170,872	219,250	319,361
Goodwill impairment									0	0	2,541,476
Other operating expenses									436,283	359,409	384,813
Loss before equity in undistributed earnings (loss)									(607,155)	(578,659)	(3,245,650)
Equity in undistributed earnings (loss) of subsidiary									1,775,918	1,386,711	(1,737,868)
Income tax benefit									233,300	222,000	275,997
Net income (loss)									1,402,063	1,030,052	(4,707,521)
Payment of preferred dividends									1,229,780	651,119	34,463
Accretion on preferred stock discount									63,924	36,718	0
Net income (loss) available to common shareholders									$ 108,359	$ 342,215	$ (4,741,984)