Consolidated Statements of Shareholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Preferred stock [Member]	Common Stock [Member]	Common sock warrant [Member]	Retained Earnings/(Accumulated Deficit) [Member]	Accumulated Other Comprehensive Loss [Member]	2011 Issuance [Member]	2011 Issuance [Member] Common Stock [Member]	2012 Issuance [Member]	2012 Issuance [Member] Common Stock [Member]
Beginning balance at Dec. 31, 2009	$ 98,359	$ 48,205	$ 143,605	$ 3,891	$ (96,234)	$ (1,108)
Beginning balance, shares at Dec. 31, 2009		51,500	11,426,413
Comprehensive loss:
Net loss	(131,827)				(131,827)
Other comprehensive income, net of tax	(2,583)					(2,583)
Total comprehensive loss	(134,410)
Issuance of stock	7,500	7,500
Issuance of stock, shares		7,500,000
Accretion of discount on preferred stock		719			(719)
Cash dividends declared on preferred stock	(315)				(315)
Compensation expense recognized	32		32
Shares issued/(terminated), subject to restriction	(21)		(21)
Shares issued/(terminated), subject to restriction, shares			(2,023)
Compensation expense recognized	18		18
Ending balance at Dec. 31, 2010	(28,837)	56,424	143,634	3,891	(229,095)	(3,691)
Ending balance, shares at Dec. 31, 2010		7,551,500	11,424,390
Comprehensive loss:
Net loss	(137,314)				(137,314)
Other comprehensive income, net of tax	(278)					(278)
Total comprehensive loss	(137,592)
Issuance of stock	5,000	5,000
Issuance of stock, shares		5,000,000
Accretion of discount on preferred stock		571			(571)
Repurchase and retirement of preferred stock	(3,125)	(12,500)			9,375
Repurchase and retirement of preferred stock, shares		(12,500,000)
Conversion of Series A preferred stock to common stock	(193)	(49,495)	17,014	(3,891)	36,179
Conversion of Series A preferred stock to common stock, shares		(51,500)	(108,555,303)
Issuance of common stock, net of costs of $20,429	289,571		289,571
Issuance of common stock, shares			1,937,506,282
Issuance of common stock to shareholders of acquired company	4,924		4,924
Issuance of common stock to shareholders of acquired company, shares			52,159,413
Cash dividends declared on preferred stock	(756)				(756)
Compensation expense recognized	23		23
Shares issued/(terminated), subject to restriction, shares			(518)
Adjustment for reverse stock split			(2,088,542,202)
Ending balance at Dec. 31, 2011	129,015	0	455,166	0	(322,182)	(3,969)
Ending balance, shares at Dec. 31, 2011		0	21,102,668
Comprehensive loss:
Net loss	(40,005)				(40,005)
Other comprehensive income, net of tax	3,646					3,646
Total comprehensive loss	(36,359)
Issuance of stock									6,694	6,694
Issuance of stock, shares										485,788
Compensation expense recognized	3		3
Expense related to 2011 issuance of common stock							(911)	(911)	(379)
Shares issued/(terminated), subject to restriction, shares			(110,059)
Adjustment for reverse stock split			(586)
Exercise of warrants related to stock offering	3		3
Exercise of warrants related to stock offering, shares			186
Ending balance at Dec. 31, 2012	$ 98,445	$ 0	$ 460,955	$ 0	$ (362,187)	$ (323)
Ending balance, shares at Dec. 31, 2012		0	21,698,115