Condensed Statements of Operations (Unaudited) (USD $)	3 Months Ended		9 Months Ended		103 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Condensed Statements of Operations [Abstract]
Revenues	$ 0	$ 0	$ 0	$ 0	$ 300,000
Expenses:
Research and development	2,378,917	1,241,165	6,567,086	3,016,562	17,115,965
Merger costs	0	0	0	0	73,977
Stock based compensation	33,887	324,283	382,611	958,121	8,602,616
General and administrative	1,004,181	634,241	2,647,301	1,767,852	11,638,781
Total expenses	3,416,985	2,199,689	9,596,998	5,742,535	37,431,339
Loss before other income (expense) and income taxes	(3,416,985)	(2,199,689)	(9,596,998)	(5,742,535)	(37,131,339)
Interest income	1,858	1,123	4,867	3,768	344,002
Financing expense	0	0	(368,524)	0	(368,524)
Change in fair value of warrant liability	2,777,500	2,286,478	(5,018,224)	1,517,583	(4,404,209)
Net income (loss) before income taxes	(637,627)	87,912	(14,978,879)	(4,221,184)	(41,560,070)
Income taxes	0	0	0	0	0
Net income (loss)	(637,627)	87,912	(14,978,879)	(4,221,184)	(41,560,070)
Deemed dividend on redemption of preferred stock	0	0	0	0	(2,092,500)
Net loss attributable to common stock	$ (637,627)	$ 87,912	$ (14,978,879)	$ (4,221,184)	$ (43,652,570)
Income (loss) per share
Basic	$ (0.02)	$ 0.00	$ (0.38)	$ (0.16)	$ (2.79)
Diluted	$ (0.02)	$ 0.00	$ (0.38)	$ (0.16)	$ (2.79)
Weighted average number of shares
Basic	40,329,306	28,497,656	39,260,253	27,061,685	15,619,351
Diluted	40,329,306	33,752,060	39,260,253	27,061,685	15,619,351