Consolidated Statements of Operations (USD $)	12 Months Ended		73 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011
Operating expenses:
Research and development	$ 4,102,847	$ 1,673,202	$ 8,883,834
General and administrative	4,555,872	1,724,102	8,251,537
Total operating expenses	8,658,719	3,397,304	17,135,371
Operating loss	(8,658,719)	(3,397,304)	(17,135,371)
Other income (expense):
Other income			383,000
Interest income	8,759	3,379	20,049
Interest expense	(12,676)	(564,443)	(1,066,331)
Derivatives losses	(26,065,579)	(3,952,582)	(30,018,161)
Other income (expense), net	(26,069,496)	(4,513,646)	(30,681,443)
Net loss	$ (34,728,215)	$ (7,910,950)	$ (47,816,814)
Net loss per share, basic and diluted	$ (0.67)	$ (0.24)	$ (1.56)
Weighted average number of common shares outstanding, basic and diluted	51,894,871	33,367,239	30,707,308