Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2017

Accounting Policies [Abstract]

Schedule of Antidilutive Securities Excluded from Computation of Net Loss per Share

The following common share equivalents, presented on an as converted basis, were excluded from the calculation of net loss per share for the periods presented, due to their anti-dilutive effect (in common stock equivalent shares):

	As of
	June 30, 2017		December 31, 2016
Outstanding options		5,636,786		4,535,371
Unvested unissued restricted common shares		72,603		89,367
Total		5,709,389		4,624,738