Consolidated Statements Of Stockholders' Equity (USD $) In Thousands, except Share data	Total	Capital Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Accumulated Deficit)	Noncontrolling Interest
Beginning Balance at Dec. 31, 2009	$ 84,311	$ 330,896	$ 12,610	$ (3,430)	$ (256,046)	$ 281
Beginning Balance (in shares) at Dec. 31, 2009		15,948,000
Net income (loss)	(639)				(687)	48
Issuance of common stock upon vesting of non-vested stock awards (in shares)		146,000
Issuance of common stock upon vesting of non-vested stock awards	135		135
Issuance of common stock (in shares)		33,000
Issuance of common stock	233		233
Reclassification of share-based compensation liability	44		44
Cancellation of 16,127 old common shares in exchange for new common shares
Issuance of common shares under rights offering (in shares)		12,585,000
Issuance of common shares under rights offering	67,960	67,960
Issuance of common shares for conversion of debt (in shares)		4,630,000
Issuance of common shares for conversion of debt	25,000	25,000
Share-based compensation	1,633		1,633
Other comprehensive income (loss), net of tax	1			1
Ending Balance at Dec. 31, 2010	178,678	423,856	14,655	(3,429)	(256,733)	329
Ending Balance (in shares) at Dec. 31, 2010		33,342,000
Net income (loss)	29,001				28,973	28
Issuance of common stock upon vesting of non-vested stock awards (in shares)		136,000
Share-based compensation	3,276		3,276
Other comprehensive income (loss), net of tax	(1,595)			(1,595)
Ending Balance at Dec. 31, 2011	209,360	423,856	17,931	(5,024)	(227,760)	357
Ending Balance (in shares) at Dec. 31, 2011		33,478,000
Net income (loss)	19,578				19,538	40
Issuance of common stock upon vesting of non-vested stock awards (in shares)		383,000
Share-based compensation	4,631		4,631
Net settlement of vested stock awards (in shares)		(65,000)
Net settlement of vested stock awards	(543)		(543)
Tax benefit (shortfalls) of vested stock awards	(95)		(95)
Other comprehensive income (loss), net of tax	(4,725)			(4,725)
Ending Balance at Dec. 31, 2012	$ 228,206	$ 423,856	$ 21,924	$ (9,749)	$ (208,222)	$ 397
Ending Balance (in shares) at Dec. 31, 2012		33,796,000