Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2018

Net income (loss) per share

Schedule of Computation basic and diluted net loss 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 September 30,				Nine months ended September 30,
	2018		2017		2018		2017
Numerator:
Net income (loss)	$	(3,732)	$	19,375	$	6,422	$	68,235
Denominator:
Weighted average shares used to compute net income (loss) per share
Basic		19,707		19,294		19,597		18,993
Effect of dilutive options and restricted stock units		—		1,129		442		1,141
Diluted		19,707		20,423		20,039		20,134
Net income (loss) per share
Basic	$	(0.19)	$	1.00	$	0.33	$	3.59
Diluted	$	(0.19)	$	0.95	$	0.32	$	3.39

Schedule of potentially dilutive securities

	Three months ended September 30,		Nine months ended September 30,
	2018	2017	2018	2017
Employee stock options	247	—	—	—
Restricted stock units	231	—	—	—
Total antidilutive shares	478	—	—	—