Net Loss per Common Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Antidilutive Securities Excluded From Computation of Diluted Net Loss per Common Share

The following table represents the potential common shares issuable pursuant to outstanding securities as of the related period end dates that were excluded from the computation of diluted net loss per common share as their inclusion would have an antidilutive effect:

	As of June 30,
	2019		2018
Unvested RSUs		1,531,211		1,797,702
Vested and unvested options		7,291,729		5,718,914
ESPP share purchase rights		15,296		9,366
Total		8,838,236		7,525,982