Net Loss per Share (Tables)

12 Months Ended

Dec. 31, 2018

Summary of Computation of Basic and Diluted Net Loss Per Share

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

	December 31,
	2018			2017
Net loss attributable to common stockholders- basic and diluted	$	(76,333	)	$	(84,979	)
Net loss per share- basic and diluted	$	(10.64	)	$	(14.47	)
Weighted-average common shares used to compute net loss per share- basic and diluted		7,171			5,871

Summary of Potentially Anti-dilutive Securities Excluded from Computation of Diluted Shares Outstanding

The following potentially dilutive securities outstanding at the end of the years presented have been excluded from the computation of diluted shares outstanding:

	December 31,
	2018		2017
Options to purchase common stock		1,515,923		607,511
Restricted stock units		117,597		419,163