Net Loss per Share

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Net Loss per Share

15. Net Loss per Share

The shares in the table below were excluded from the calculation of diluted net loss per share, prior to the use of the treasury stock method, due to their anti-dilutive effect:

	As of March 31,
	2020		2019
Warrant		509,611		509,611
Outstanding stock options		9,371,675		10,261,827
Unvested restricted stock units		6,735,970		2,058,687
Total		16,617,256		12,830,125