Net Loss per Share (Tables)

3 Months Ended

Mar. 31, 2016

Net Loss Per Share Tables

Potentially dilutive securities

	As of March 31,
	2016		2015
Stock options		4,495,704		242,893
Preferred stock		21,662,200		23,815,600
Unvested restricted stock		2,300,850		—
Warrants to purchase common stock		8,876,336		3,330,500
Total		37,335,090		27,388,993