Consolidated Statements of Changes in Shareholders' Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Stock Held by Deffered Compensation Plan [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Shareholders' equity, beginning of year at Dec. 31, 2009	$ 111	$ 77,086	$ (2,450)	$ (3,099)	$ (709)	$ (675)	$ 70,264
Net income (loss)			(10,690)				(10,690)
Other comprehensive income (loss), net of tax						(420)	(420)
Proceeds from shares issued under common stock offering, net of offering costs	154	28,648					28,802
Stock based compensation		276					276
Options exercised		14					14
Stock purchases for deferred compensation plan					(100)		(100)
Shareholders' equity, end of year at Dec. 31, 2010	265	106,024	(13,140)	(3,099)	(809)	(1,095)	88,146
Net income (loss)			(24,702)				(24,702)
Other comprehensive income (loss), net of tax						1,048	1,048
Stock based compensation		359					359
Stock purchases for deferred compensation plan							0
Shareholders' equity, end of year at Dec. 31, 2011	265	106,383	(37,842)	(3,099)	(809)	(47)	64,851
Net income (loss)			3,614				3,614
Other comprehensive income (loss), net of tax						1,067	1,067
Stock based compensation		370					370
Stock purchases for deferred compensation plan							0
Shareholders' equity, end of year at Dec. 31, 2012	$ 265	$ 106,753	$ (34,228)	$ (3,099)	$ (809)	$ 1,020	$ 69,902