Statements of Operations and Comprehensive Income (Loss) (Unaudited) (USD $)	3 Months Ended		116 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014
OPERATING EXPENSES:
Research and development	$ 444,278	$ 150,233	$ 13,291,427
General and administrative	800,646	141,305	7,160,496
Loss from operations	(1,244,924)	(291,538)	(20,451,923)
OTHER INCOME (EXPENSE):
Change in fair value of preferred stock warrant liabilities	1,759,915	(277,500)	2,471,700
Change in fair value of convertible preferred stock rights and rights option liabilities		(3,390,500)	15,539,486
Value provided in excess of issuance price of Series B Preferred Stock			(21,484,762)
Other income			250,756
Interest income	3	8	188,741
Other expenses			(42,566)
Interest expense	(113,221)	(15,403)	(1,102,372)
Total other income (expense), net	1,646,697	(3,683,395)	(4,179,017)
Net income (loss) and comprehensive income (loss)	401,773	(3,974,933)	(24,630,940)
Accretion of preferred stock	(191,568)	(123,159)	(2,128,205)
Allocation of undistributed earnings to preferred stockholders	(223,442)		(11,351,454)
Deemed dividend to Series A Preferred stockholders			(15,661,898)
Net loss attributable to common stockholders	$ (13,237)	$ (4,098,092)	$ (53,772,497)
Net loss per share attributable to common stockholders:
Basic	$ (0.04)	$ (13.03)
Diluted	$ (4.00)	$ (13.03)
Weighted average common shares outstanding:
Basic	327,365	314,419
Diluted	443,826	314,419