Consolidated Statement Of Changes In Stockholders' Deficit (USD $) In Thousands	Common Stock [Member]	Additional Paid-In-Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2011	$ 715	$ 408,463	$ (417,603)	$ 15	$ (8,410)
Balance (in Shares) at Dec. 31, 2011	71,502
Net loss			(34,198)		(34,198)
Restricted stock grants	13	(13)
Restricted stock grants (in Shares)	1,293
Amortization of deferred stock-based compensation		15			15
Forfeiture of restricted stock grants	(5)	5
Forfeiture of restricted stock grants (in Shares)	(518)
Issuance of common stock	1	212			213
Issuance of common stock (in Shares)	125
ESPP compensation expense		341			341
Stock option compensation expense		862			862
Other comprehensive loss				(46)	(46)
Balance at Mar. 31, 2012	$ 724	$ 409,885	$ (451,801)	$ (31)	$ (41,223)
Balance (in Shares) at Mar. 31, 2012	72,402