Net income (loss) per share (Tables)

6 Months Ended

Jun. 30, 2017

Net income (loss) per share

Computation of Basic and Diluted Net Income per Share

The following table sets forth the computation of the basic and diluted net income (loss) per share for the periods indicated (in thousands, except per share amounts):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Numerator:
Net income (loss)	$	(9,341)	$	2,676	$	(20,863)	$	4,986
Denominator:
Weighted average shares used to compute per share amount:
Basic		43,219		41,603		42,919		41,362
Dilutive effect of equity awards		-		2,717		-		2,680
Diluted		43,219		44,320		42,919		44,042
Basic net income (loss) per share	$	(0.22)	$	0.06	$	(0.49)	$	0.12
Diluted net income (loss) per share	$	(0.22)	$	0.06	$	(0.49)	$	0.11

Potentially Dilutive Securities Excluded from Computation of Diluted Net Income per Share Attributable to Common Stockholders

The Company has excluded the impact of the following employee stock options, restricted stock units and shares expected to be issued under its employee stock purchase plan from the computation of diluted net income (loss) per share, as their effect would have been antidilutive (in thousands):

	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2017	2016	2017	2016
Employee stock options	3,898	474	3,898	492
Restricted stock units	1,663	34	1,663	34
Employee stock purchase plan	186	—	186	—
	5,747	508	5,747	526