Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues:
Grant	$ 859,000	$ 0
Operating expenses:
Research and development	3,596,000	1,622,000
General and administrative	1,830,000	847,000
Total operating expenses	5,426,000	2,469,000
Loss from operations	(4,567,000)	(2,469,000)
Other income (expense):
Interest income	26,000	1,000
Other expense, net	(6,000)
Total other income (expense)	20,000	1,000
Net loss	(4,547,000)	(2,468,000)
Deemed dividend to convertible preferred stockholders		(228,000)
Net loss attributable to common stockholders	$ (4,547,000)	$ (2,696,000)
Net loss per share attributable to common stockholders, basic and diluted	$ (7.10)	$ (4.71)
Weighted-average common shares outstanding, basic and diluted	640,699	573,172