Earnings (Loss) Per Common Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Basic
Net earnings (loss)	$ (613)	$ (7,534)	$ 1,238	$ (9,385)
Dividends and discount accretion on preferred stock	(287)	(264)	(858)	(830)
Earnings (loss) available to common shareholders	(900)	(7,798)	380	(10,215)
Weighted average common shares outstanding	1,858,697	1,744,565	1,782,887	1,744,251
Basic earnings (loss) per common share	$ (0.48)	$ (4.47)	$ 0.21	$ (5.86)
Diluted
Net earnings (loss)	(613)	(7,534)	1,238	(9,385)
Dividends and discount accretion on preferred stock	(287)	(264)	(858)	(830)
Earnings (loss) available to common shareholders	$ (900)	$ (7,798)	$ 380	$ (10,215)
Weighted average common shares outstanding	1,858,697	1,744,565	1,782,887	1,744,251
Add: dilutive effects of assumed exercises of stock options
Average shares and dilutive potential common shares	1,858,697	1,744,565	1,782,887	1,744,251
Diluted earnings (loss) per common share	$ (0.48)	$ (4.47)	$ 0.21	$ (5.86)