Net Loss per Share Attributable to Common Stockholders

As the Company had net losses for the three and six months ended June 30, 2017 and 2016, all potential common shares were determined to be anti-dilutive. 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 data):



	Three Months Ended June 30,						Six Months Ended June 30,
	2017			2016			2017			2016
Numerator:
Net loss	$	(14,979	)	$	(7,098	)	$	(29,080	)	$	(18,845	)
Accretion of redeemable convertible preferred stock	—			(225		)	—			(265		)
Net loss attributable to common stockholders	$	(14,979	)	$	(7,323	)	$	(29,080	)	$	(19,110	)
Denominator:
Weighted-average shares used to compute net loss per common share, basic and diluted	16,875,627			383,910			16,821,225			335,855
Net loss per share attributable to common stockholders, basic and diluted	$	(0.89	)	$	(19.07	)	$	(1.73	)	$	(56.90	)

The following outstanding shares of potentially dilutive securities have been excluded from diluted net loss per share attributable to common stockholders computations for the three and six months ended June 30, 2017 and 2016 because their inclusion would be anti-dilutive:



	Three Months Ended June 30,		Six Months Ended June 30,
	2017	2016	2017	2016
Redeemable convertible preferred stock on an as-converted basis	—	8,577,571	—	8,577,571
Options to purchase common stock	2,453,259	1,309,841	2,453,259	1,309,841
ESPP shares	23,262	—	23,262	—
Total	2,476,521	9,887,412	2,476,521	9,887,412