Net loss per share (Tables)

9 Months Ended

Sep. 30, 2019

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,
	2019	2018
Unvested restricted common stock awards	235,294	236,974
Unvested restricted common stock units	421,182	—
Outstanding stock options	5,235,548	7,212,380
Total	5,892,024	7,449,354