Consolidated Statements of Operations (USD $)	3 Months Ended		134 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014
Revenue:
Option Revenue	$ 348,837	$ 220,100	$ 1,615,448
Research and development	2,811,139	1,621,366	88,489,580
General and administrative	1,102,880	1,102,435	34,891,265
Depreciation and amortization	95,586	78,311	2,081,341
Loss on disposal of assets			515,506
Operating loss	(3,660,768)	(2,582,012)	(124,362,244)
Interest income	5,194	1,874	1,378,876
Other income and expense, net		37,910	699,056
Gain on extinguishment of debt			(906,472)
Gain on derivative instruments			1,941,826
Gain on sale of technology			3,000,000
Interest expense		(1,635,254)	(11,674,561)
Net loss	$ (3,655,574)	$ (4,177,482)	$ (129,923,519)
Basic and diluted loss per share	$ (0.13)	$ (0.58)
Weighted average shares outstanding - Basic and diluted	27,584,615	7,239,102