Condensed Consolidated Statements of Operations (USD $)	3 Months Ended	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
License revenue	$ 38,095	$ 38,095	$ 76,190	$ 76,190
Research and development:
Noncash stock expense associated with in- licensing agreement	1,211,250	0	1,211,250	0
Noncash compensation	3,300,111	366,168	5,201,721	720,871
Other research and development	2,336,771	4,661,455	4,845,029	5,876,657
Total research and development	6,848,132	5,027,623	11,258,000	6,597,528
General and administrative:
Noncash compensation	4,438,735	1,007,600	6,768,563	2,538,374
Other general and administrative	706,725	631,637	1,610,249	1,283,094
Total general and administrative	5,145,460	1,639,237	8,378,812	3,821,468
Total costs and expenses	11,993,592	6,666,860	19,636,812	10,418,996
Operating loss	(11,955,497)	(6,628,765)	(19,560,622)	(10,342,806)
Other (income) expense:
Interest income	(12,727)	(1,177)	(26,201)	(2,679)
Other income	0	0	(95,427)	0
Interest expense	234,787	240,014	461,127	471,486
Change in fair value of notes payable	(191,127)	(283,050)	(366,442)	(553,450)
Total other (income) expense	30,933	(44,213)	(26,943)	(84,643)
Consolidated net loss	$ (11,986,430)	$ (6,584,552)	$ (19,533,679)	$ (10,258,163)
Basic and diluted net loss per common share (in dollars per share)	$ (0.36)	$ (0.29)	$ (0.62)	$ (0.46)
Weighted average shares used in computing basic and diluted net loss per common share (in shares)	32,985,130	22,483,394	31,546,060	22,213,335

The change in the fair value of non current notes payable recognized during the period.

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