Net Loss Per Share of Common Stock

Basic and Diluted Net Loss per Share

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



	Three Months Ended September 30,						Nine Months Ended September 30,
	2018			2017			2018			2017

Net loss	$	(4,792	)	$	(5,683	)	$	(12,140	)	$	(18,134	)

Weighted-average shares used to compute basic and diluted net loss per share*	3,712,876			3,475,628			3,638,905			3,450,252
Net loss per share, basic and diluted*	$	(1.29	)	$	(1.64	)	$	(3.34	)	$	(5.26	)

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* Calculated based on the 1-for-18 reverse stock split effected October 4, 2018.

Unvested shares for the years ended September 30, 2018 and December 31, 2017 were excluded from the weighted-average shares used to compute basic and diluted net loss per share.

The following common stock equivalents were excluded from the computation of diluted net loss per share for the periods presented because including them would have been antidilutive:



	Three Months Ended September 30,		Nine Months Ended September 30,
	2018	2017	2018	2017

Stock options	2,711,667	3,015,021	2,711,667	3,015,021
Shares subject to repurchase	78,757	25,150	78,757	25,150
Redeemable convertible preferred stock	12,066,654	12,066,654	12,066,654	12,066,654
Redeemable convertible preferred stock warrants	160,657	160,657	160,657	160,657
Common stock warrants	124,326	124,326	124,326	124,326