Consolidated Statements of Shareholders' Equity (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	Total		Preferred stock [Member]	Common Stock [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]	2011 Issuance [Member]	2011 Issuance [Member] Common Stock [Member]
Beginning balance at Dec. 31, 2011	$ 129,015		$ 0	$ 455,166	$ (322,182)	$ (3,969)
Beginning balance, shares at Dec. 31, 2011			0	21,102,668
Comprehensive loss:
Net loss	(10,859)				(10,859)
Other comprehensive income, net of tax	730					730
Total comprehensive loss	(10,129)
Expense related to 2011 issuance of common stock							(913)	(913)
Return of common stock not received for fractional shares rounding purposes in the 1:100 reverse stock split				(586)
Stock option compensation expense recognized	1			1
Ending balance at Mar. 31, 2012	117,974		0	454,254	(333,041)	(3,239)
Ending balance, shares at Mar. 31, 2012			0	21,102,082
Beginning balance at Dec. 31, 2012	98,445	[1]	0	460,955	(362,187)	(323)
Beginning balance, shares at Dec. 31, 2012			0	21,698,115
Comprehensive loss:
Net loss	(4,596)				(4,596)
Other comprehensive income, net of tax	(4,577)					(4,577)
Total comprehensive loss	(9,173)
Stock option compensation expense recognized	102			102
Ending balance at Mar. 31, 2013	$ 89,374		$ 0	$ 461,057	$ (366,783)	$ (4,900)
Ending balance, shares at Mar. 31, 2013			0	21,698,115

[1] Derived from audited consolidated financial statements