Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2015

Summary of Significant Accounting Policies

Summary of the outstanding securities not included in the computation of diluted net loss per common share as their inclusion would be anti-dilutive

	March 31,
	2015	2014
Common stock options	10,123,204	8,179,958
Unvested restricted common stock	734,758	35,000