Consolidated Statements of Operations and Comprehensive Loss (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Costs and expenses:
Research and development	$ 1,335	$ 714	$ 4,043	$ 1,141
General and administrative	950	1,011	3,038	2,852
Total costs and expenses	2,285	1,725	7,081	3,993
Loss from operations	(2,285)	(1,725)	(7,081)	(3,993)
Interest and other income	2	2	6	3
Interest and other expense	(1)		(3)	(3)
Loss before income taxes	(2,284)	(1,723)	(7,078)	(3,993)
Benefit from income taxes	0	0	0	0
Net loss and comprehensive loss	(2,284)	(1,723)	(7,078)	(3,993)
Less: Deemed preferred stock dividend				(2,026)
Net loss available to common stockholders	$ (2,284)	$ (1,723)	$ (7,078)	$ (6,019)
Net loss available to common stockholders per share:
Basic and diluted	$ (0.11)	$ (0.16)	$ (0.35)	$ (0.96)
Weighted average shares outstanding:
Basic and diluted	21,029,138	10,832,516	20,282,975	6,299,828