Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		9 Months Ended		82 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Operating expenses:
Research and development	$ 1,374,852	$ 1,016,865	$ 3,622,800	$ 3,045,426	$ 12,506,634
General and administrative	1,466,049	1,196,455	4,433,929	3,095,877	12,685,466
Total operating expenses	2,840,901	2,213,320	8,056,729	6,141,303	25,192,100
Operating loss	(2,840,901)	(2,213,320)	(8,056,729)	(6,141,303)	(25,192,100)
Other income (expense):
Other income					383,000
Interest income	13,061	4,778	27,842	7,539	47,891
Interest expense	(12,454)		(28,147)	(7,150)	(1,094,478)
Derivatives gain (loss)	10,869,209	5,275,591	21,436,653	6,559,835	(8,581,508)
Other income	10,869,816	5,280,369	21,436,348	6,560,224	(9,245,095)
Net income (loss)	$ 8,028,915	$ 3,067,049	$ 13,379,619	$ 418,921	$ (34,437,195)
Net income(loss)per share, basic	$ 0.12	$ 0.06	$ 0.21	$ 0.01	$ (1.01)
Net income (loss) per share,diluted	$ 0.11	$ 0.06	$ 0.19	$ 0.01	$ (1.01)
Weighted average number of common shares outstanding, basic	65,109,037	51,889,111	62,357,300	51,743,138	34,226,324
Weighted average number of common shares outstanding ,diluted	74,157,957	54,269,856	71,734,784	54,198,981	34,226,324