Consolidated Statements of Operations (USD $)	12 Months Ended		131 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013
Revenue:
Option revenue	$ 1,266,611		$ 1,266,611
Research and development	9,181,090	6,318,476	85,678,441
General and administrative	3,670,769	2,508,541	33,788,385
Depreciation	335,597	303,677	1,985,755
Loss on disposal of fixed assets	2,161	3,097	515,506
Operating loss	(11,923,006)	(9,133,791)	(120,701,476)
Interest income	14,985	280	1,373,682
Other income and expense, net	37,910		699,056
Loss on extinguishment of debt	(2,518,912)		(906,472)
Gain on derivative instruments		552,978	1,941,826
Gain on sale of technology			3,000,000
Interest expense	(2,267,302)	(350,300)	(11,674,561)
Net loss	$ (16,656,325)	$ (8,930,833)	$ (126,267,945)
Basic and diluted loss per share	$ (1.25)	$ (1.54)
Weighted average shares outstanding	13,332,350	5,785,372