CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (USD $) In Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Treasury Stock	Comprehensive Loss
Balance at Dec. 31, 2010	$ 101,821	$ 118	$ 908,837	$ (798,602)	$ (8,532)
Balance (in shares) at Dec. 31, 2010		11,893			1,123
Comprehensive loss:
Net loss for the six months ended June 30, 2011	(57,313)			(57,313)		(57,313)
Comprehensive loss	(57,313)					(57,313)
Non-cash compensation	2,094		2,094
Issuance of common stock upon exercise of stock options and vesting of restricted stock units, net of withholding taxes	(901)	3	(904)
Issuance of common stock upon exercise of stock options and vesting of restricted stock units, net of withholding taxes (in shares)		258
Balance at Jun. 30, 2011	$ 45,701	$ 121	$ 910,027	$ (855,915)	$ (8,532)
Balance (in shares) at Jun. 30, 2011		12,151			1,123