Net Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2018

Summary of Calculation of Basic and Diluted Net Loss Per Share

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

	Three Months Ended
	March 31, 2018			March 31, 2017
Numerator:
Net loss allocable to common stockholders	$	(6,634	)	$	(8,702	)
Denominator:
Weighted-average shares used in computing net loss per share, basic and diluted		99,488			4,850
Net loss per share, basic and diluted	$	(0.07	)	$	(1.79	)

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

The potential common shares that would be excluded from the calculation of diluted net loss per share because of their anti-dilutive effect are as follows (in thousands):

	Three Months Ended
	March 31, 2018		March 31, 2017
Equity awards to purchase common stock		24,933		23,380
Unvested shares of common stock issued upon early exercise of stock options and business acquisition		126		2
Warrants to purchase common stock		—		375
Warrants to purchase convertible preferred stock		—		1,817
Convertible preferred stock		—		80,844
Total		25,059		106,418