CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Other Comprehensive Income (Loss)	Treasury Stock
BEGINNING BALANCES at Dec. 31, 2008	$ 153,437	$ 324	$ 352,137	$ (172,031)	$ (1,516)	$ (25,477)
BEGINNING BALANCES (in shares) at Dec. 31, 2008		30,026,010
Net income (loss) for the year	(101,765)			(101,765)
Stock-based compensation (in shares)		178,172
Stock-based compensation	3,382	5	3,377
Stock repurchase (in shares)		(22,052)
Stock repurchase	(35)		(35)
Preferred stock dividends	(3,320)			(3,320)
Interest rate swap	1,516				1,516
Common stock issued in connection with:
Outside directors' plan (in shares)		194,244
Outside directors' plan	270	2	268
ENDING BALANCES at Dec. 31, 2009	53,485	331	355,747	(277,116)		(25,477)
ENDING BALANCES (in shares) at Dec. 31, 2009		30,376,374
Net income (loss) for the year	(141,760)			(141,760)
Stock-based compensation (in shares)		293,389
Stock-based compensation	2,431	(2)	2,433
Stock repurchase (in shares)		(51,355)
Stock repurchase	(384)	1	157			(542)
Preferred stock dividends and early extinguishment	(25,454)			(25,454)
Common stock issued in connection with:
Public offering (in shares)		11,750,000
Public offering	71,943	118	71,825
Exercise of warrant (in shares)		25,486,532
Exercise of warrant	168,260	254	168,006
Stock option plan (in shares)		75,874
Stock option plan	504	1	503
ENDING BALANCES at Dec. 31, 2010	129,025	703	598,671	(444,330)		(26,019)
ENDING BALANCES (in shares) at Dec. 31, 2010	67,930,814	67,930,814
Net income (loss) for the year	15,042			15,042
Stock-based compensation (in shares)		191,188
Stock-based compensation	2,424		2,424
Stock repurchase (in shares)		(50,848)
Stock repurchase	(533)					(533)
Common stock issued in connection with:
Public offering	(150)		(150)
Stock option plan (in shares)		94,514
Stock option plan	538	1	537
ENDING BALANCES at Dec. 31, 2011	$ 146,346	$ 704	$ 601,482	$ (429,288)		$ (26,552)
ENDING BALANCES (in shares) at Dec. 31, 2011	68,165,668	68,165,668