Net Loss per Share Attributable to Common Stockholders (Tables)

3 Months Ended

Mar. 31, 2016

Computation of Basic and Diluted Net Loss per Share

The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders (in thousands, except share and per share amounts):

	Three Months Ended March 31,
	2016			2015
Numerator
Net loss	$	(8,420	)	$	(4,500	)
Cumulative dividends on redeemable convertible preferred stock		—			(952	)
Accretion of redeemable convertible preferred stock to redemption value		—			(33	)
Net loss attributable to common stockholders, basic and diluted	$	(8,420	)	$	(5,485	)
Denominator
Weighted average shares outstanding		27,024,638			3,752,389
Less: weighted average shares subject to repurchase		(855,486	)		(1,530,638	)
Weighted average shares used to compute basic and diluted net loss per share		26,169,152			2,221,751
Net loss per share attributable to common stockholders: Basic and diluted	$	(0.32	)	$	(2.47	)

Summary of Potentially Dilutive Securities Excluded from Computation of Diluted Net Loss per Share

The following 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 including them would have been antidilutive:

	March 31,
	2016		2015
Common stock subject to repurchase		806,035		1,465,685
Stock options to purchase common stock		1,910,181		458,887