Basic and Diluted Net Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Computation of Company's Basic and Diluted Net Loss Per Share of Common Stock

The following table sets forth the computation of the Company’s basic and diluted net loss per share of common stock (in thousands, except per share data):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2017			2016			2017			2016
Numerator
Net loss	$	(7,031	)	$	(7,771	)	$	(14,340	)	$	(14,384	)
Denominator
Weighted-average common shares for basic and diluted net loss    per share		75,867			72,649			75,278			72,380
Basic and diluted net loss per share	$	(0.09	)	$	(0.11	)	$	(0.19	)	$	(0.20	)

Potential Shares of Common Stock Excluded from Diluted Weighted-Average Common Shares Outstanding

The following table summarizes the potentially dilutive common shares that were excluded from diluted weighted-average common shares outstanding because including them would have had an anti-dilutive effect (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Shares of common stock issuable under equity incentive awards    outstanding		11,312		11,286		11,447		11,682
Potential common shares excluded from diluted net loss per share		11,312		11,286		11,447		11,682