STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended		89 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011
OPERATING EXPENSES
General and administrative	$ 3,506	$ 3,240	$ 29,722
Research and development	6,394	8,168	100,049
Purchased in-process research and development	0	0	34,311
Other	0	0	(375)
Total operating expenses	9,900	11,408	163,707
Interest and other income, net	(31)	(356)	(13,758)
Loss from continuing operations before taxes	9,869	11,052	149,949
Income tax benefit	(158)	(181)	(1,355)
Loss from continuing operations	9,711	10,871	148,594
Discontinued Operations - net gain on the sale of the bone device business, net of taxes of $267	0	0	(2,202)
NET LOSS	$ 9,711	$ 10,871	$ 146,392
Per Share Information:
Net loss, basic and diluted (in dollars per share)	$ 0.24	$ 0.27
Basic and diluted shares outstanding (in shares)	40,775	40,775