Net Loss Per Share (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Computations of Basic and Diluted Net Income (Loss) Per Share

The computations of basic and diluted net income (loss) per share were as follows (in thousands, except per share data):

	Three Months Ended September 30,					Nine Months Ended September 30,
	2020		2019			2020			2019
Basic net income (loss) per share:
Net income (loss)	$	8,791	$	(34,584	)	$	(65,009	)	$	(68,269	)
Shares used in computation:
Weighted-average common shares outstanding		37,342		36,813			37,234			36,618
Basic net income (loss) per share	$	0.24	$	(0.94	)	$	(1.75	)	$	(1.86	)
Diluted net income (loss) per share:
Net income (loss)	$	8,791	$	(34,584	)	$	(65,009	)	$	(68,269	)
Shares used in computation:
Weighted-average common shares outstanding		37,342		36,813			37,234			36,618
Stock options		1,529		—			—			—
Employee stock purchase plan		6		—			—			—
Weighted-average diluted common shares		38,877		36,813			37,234			36,618
Diluted net income (loss) per share	$	0.23	$	(0.94	)	$	(1.75	)	$	(1.86	)

Schedules for Computation of Diluted Weighted-Average Shares Outstanding

The following potentially dilutive common stock equivalents outstanding at the end of the period were excluded from the computations of weighted-average diluted common shares for the periods indicated as their effects would be anti-dilutive (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Stock options issued and outstanding		4,072		5,530		6,409		5,530
Unvested restricted stock units outstanding		—		40		—		40
Employee stock purchase plan		—		16		21		16
		4,072		5,586		6,430		5,586