Condensed Consolidated Statements of Shareholders' Equity (unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Condensed Consolidated Statements of Shareholders' Equity (unaudited) [Abstract]
Balance at beginning of period	$ 119,085	$ 109,861
Net loss	(11,486)	(12,563)
Preferred dividends	0	(1,076)
Issuance of common stock	1,335	23,502
Share based compensation	762	415
Issuance of Series B preferred stock	0	69,550
Retirement of Series A preferred stock	0	(69,364)
Issuance of common stock warrants	0	5,041
Retirement of common stock warrants	0	(3,579)
Net change in accumulated other comprehensive loss, net of related tax effect	1,106	3,308
Balance at end of period	$ 110,802	$ 125,095