Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Operating expenses:
Research and development	$ 287	$ 891	$ 1,062	$ 7,870
General and administrative	3,461	5,060	9,756	13,747
Restructuring	0	0	0	1,626
Total operating expenses	3,748	5,951	10,818	23,243
Loss from operations	(3,748)	(5,951)	(10,818)	(23,243)
Other (expense) income:
Interest expense	(23)	(516)	(70)	(1,744)
Interest income and other, net	0	18	13	103
Total other (expense) income, net	(23)	(498)	(57)	(1,641)
Net loss	(3,771)	(6,449)	(10,875)	(24,884)
Preferred stock dividends	(48)	(48)	(144)	(118)
Preferred stock dividends, in-kind	0	0	0	(570)
Net loss applicable to common shareholders	$ (3,819)	$ (6,497)	$ (11,019)	$ (25,572)
Net loss per share applicable to common shareholders - basic and diluted	$ (0.06)	$ (0.13)	$ (0.20)	$ (0.55)
Weighted average common shares outstanding - basic and diluted	59,934	48,237	54,506	46,357