Consolidated Statement Of Stockholders' Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Total
Balance, in value at Dec. 31, 2010	$ 817	$ 374,397	$ (342,414)	$ 32,800
Balance, in shares at Dec. 31, 2010	81,683
Stock options exercised, in shares	53
Stock options exercised, in value	1	34		35
Vesting of awards granted, in shares	15
Vesting of awards granted, in value		42		42
Stock-based bonuses and match to 401(k) Plan, in shares	227
Stock-based bonuses and match to 401(k) Plan, in value	2	415		417
Net loss			(9,385)	(9,385)
Balance, in value at Jun. 30, 2011	$ 820	$ 374,888	$ (351,799)	$ 23,909
Balance, in shares at Jun. 30, 2011	81,978