Net Loss per Share (Tables)

6 Months Ended

Jun. 30, 2016

Net Loss Per Share Tables

Potentially dilutive securities

	As of June 30,
	2016		2015
Stock options		4,679,092		2,843,041
Restricted stock awards		1,573,898		2,180,850
Preferred stock		20,662,200		23,148,000
Common stock warrants		8,876,336		5,959,668
Total		35,791,526		34,131,559