Consolidated Statements of Operations (USD $)	3 Months Ended		6 Months Ended		125 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013
Revenue:
Option Revenue	$ 348,837		$ 568,937		$ 568,937
Research and development	2,223,030	1,558,208	3,844,396	3,048,305	80,341,747
General and administrative	750,605	529,566	1,853,040	1,345,762	31,970,656
Depreciation and amortization	88,898	76,496	167,209	143,851	1,817,367
Loss on disposal of assets					513,345
Operating loss	(2,713,696)	(2,164,270)	(5,295,708)	(4,537,918)	(114,074,178)
Interest income	3,066	59	4,940	195	1,363,637
Other income, net			37,910		699,056
Gain on extinguishment of debt					1,612,440
Gain on derivative instruments					1,941,826
Gain on sale of technology					3,000,000
Interest expense	(285,800)	(486)	(1,921,054)	(973)	(11,328,313)
Net loss	$ (2,996,430)	$ (2,164,697)	$ (7,173,912)	$ (4,538,696)	$ (116,785,532)
Basic and diluted loss per share	$ (0.37)	$ (0.38)	$ (0.94)	$ (0.79)
Weighted average shares outstanding - Basic and diluted	7,991,559	5,762,028	7,617,409	5,762,028