CONDENSED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended		87 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011
OPERATING EXPENSES
General and administrative	$ 391	$ 698	$ 2,354	$ 2,460	$ 28,570
Research and development	1,226	1,911	4,684	6,094	98,339
Purchased in-process research and development	0	0	0	0	34,311
Other	0	0	0	0	(375)
Total operating expenses	1,617	2,609	7,038	8,554	160,845
Interest and other income, net	(2)	(28)	(16)	(99)	(13,743)
Loss from continuing operations before taxes	1,615	2,581	7,022	8,455	147,102
Income tax benefit	0	0	0	0	(1,197)
Loss from continuing operations	1,615	2,581	7,022	8,455	145,905
Discontinued operations - net gain on sale of the bone device business, net of taxes of $267	0	0	0	0	(2,202)
NET LOSS	$ 1,615	$ 2,581	$ 7,022	$ 8,455	$ 143,703
Per Share Information: Net loss, basic and diluted (in dollars per share)	$ 0.04	$ 0.06	$ 0.17	$ 0.21
Basic and diluted shares outstanding (in shares)	40,775	40,775	40,775	40,775