Net Loss Per Share Attributable to Common Stockholders (Tables)

6 Months Ended

Jun. 30, 2018

Computation of Basic and Diluted Net Loss Per Share

The following table sets forth the computation of basic and diluted net loss per share (in thousands, except per share data):

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
				*As Adjusted						*As Adjusted
Numerator:
Net loss attributable to common stockholders	$	(5,297	)	$	(6,912	)	$	(13,396	)	$	(14,051	)
Denominator:
Weighted-average common shares outstanding - basic and diluted		43,921			39,175			43,345			38,793
Net loss per common share - basic and diluted	$	(0.12	)	$	(0.18	)	$	(0.31	)	$	(0.36	)
*See Note 1 for a summary of adjustments

Schedule of Antidilutive Securities Excluded from Computation of Diluted Net Loss Per Share

The following weighted-average outstanding shares of potentially dilutive securities were excluded from the computation of diluted net loss per share attributable to common stockholders for the periods presented because the impact of including them would have been antidilutive (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
			*As Adjusted				*As Adjusted
Stock options to purchase common stock		5,993		10,145		6,463		10,587
Unvested restricted stock units (RSUs)		2,389		1,286		2,228		966
Common stock issuable under 2016 ESPP		122		212		127		231
Warrants to purchase common stock		—		11		4		11
Convertible senior notes		3,515		—		1,942		—
		12,019		11,654		10,764		11,795
*See Note 1 for a summary of adjustments