Net loss per share (Tables)

9 Months Ended

Sep. 30, 2018

Net loss per share

Outstanding potentially dilutive securities excluded in the calculation of diluted net loss per share

The following table sets forth the outstanding potentially dilutive securities that have been excluded in the calculation of diluted net loss per share because to include them would be anti-dilutive:

	As of September 30,
	2018	2017
Unvested restricted common stock	236,974	676,148
Shares reserved for issuance under stock plans	7,212,380	3,044,614
Total	7,449,354	3,720,762