Consolidated Statement Of Changes In Stockholders' Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-In-Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income [Member]	Total
Balance at Dec. 31, 2010	$ 703	$ 364,139	$ (315,576)	$ 1	$ 49,267
Balance (in Shares) at Dec. 31, 2010	70,259
Comprehensive loss:
Net loss			(71,171)		(71,171)
Unrealized loss on marketable securities, net				(1)	(1)
Total comprehensive loss					(71,172)
Restricted stock grants	11	(11)
Restricted stock grants (in Shares)	1,174
Amortization of deferred compensation		2,440			2,440
Forfeiture of restricted stock grants
Forfeiture of restricted stock grants (in Shares)	(87)
Exercise of stock options		168			168
Exercise of stock options (in Shares)	34				33
Issuance of common stock	1	499			500
Issuance of common stock (in Shares)	93
ESPP compensation expense		504			504
Stock option compensation expense		2,707			2,707
Convertible note conversion option, net of tax of $23,924		34,427			34,427
Balance at Sep. 30, 2011	$ 715	$ 404,873	$ (386,747)		$ 18,841
Balance (in Shares) at Sep. 30, 2011	71,473