Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Expenses:
Research and development	$ 34
General and administrative	637	478
Total expenses	671	478
Loss from operations	(671)	(478)
Other income (expense):
Adjustments to fair value of derivative liabilities	5,954	(6,029)
Interest income and other expense, net	1	(2)
Net income (loss)	5,284	(6,509)
Preferred stock dividends earned	(186)
Net income (loss) and comprehensive income (loss) attributable to common stockholders	$ 5,098	$ (6,509)
Net income (loss) per basic share	$ 2.44	$ (6.87)
Net income (loss) per diluted share	$ 0	$ (6.87)
Shares used in computing basic net income (loss) per share	2,092	947
Shares used in computing diluted net income (loss) per share	5,472,245	947