Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (USD $) In Thousands, except Share data	Total	Common stock	Capital surplus	Accumulated deficit	Accumulated other comprehensive loss, net
Balance at Dec. 31, 2010	$ 113,899	$ 474	$ 133,112	$ (13,108)	$ (6,579)
Balance, shares at Dec. 31, 2010		47,409,078
Net loss	(15,649)			(15,649)
Other comprehensive loss, net of tax	1,860				1,860
Compensation expense related to stock options granted under equity award plans	55		55
Common stock issued related to restricted stock granted under equity award plans, net of forfeitures	248	1	247
Common stock issued related to restricted stock granted under equity award plans, net of forfeitures, shares		427,114
Common stock issued pursuant to Follow-On Offering	7,951	31	7,920
Common stock issued pursuant to Follow-On Offering, shares		3,070,030
One-for-four reverse stock split, as of June 28, 2011 adjustment		(379)	379
One-for-four reverse stock split, as of June 28, 2011 adjustment, shares		(38,179,331)
Balance at Jun. 30, 2011	108,364	127	141,713	(28,757)	(4,719)
Balance, shares at Jun. 30, 2011		12,726,891
Balance at Dec. 31, 2011	103,482	127	142,233	(36,508)	(2,370)
Balance, shares at Dec. 31, 2011	12,726,388	12,726,388
Net loss	(7,736)			(7,736)
Other comprehensive loss, net of tax	(6,587)				(6,586)
Compensation expense related to stock options granted under equity award plans	250		250
Common stock issued related to restricted stock granted under equity award plans, net of forfeitures	362		362
Common stock issued related to restricted stock granted under equity award plans, net of forfeitures, shares		25,633
One-for-four reverse stock split, as of June 28, 2011 adjustment, shares		19
Balance at Jun. 30, 2012	$ 89,772	$ 127	$ 142,845	$ (44,244)	$ (8,957)
Balance, shares at Jun. 30, 2012	12,752,040	12,752,040