NET INCOME (LOSS) PER SHARE (Tables)

12 Months Ended

Dec. 31, 2018

Earnings Per Share [Abstract]

Reconciliation used in Computing Basic and Diluted Net Income per Share

The following is a reconciliation of the numerators and denominators used in computing basic and diluted net income (loss) per share:

	Years Ended December 31,
	2018		2017			2016
	(In thousands, except per share amounts)
Numerator:
Income (loss) from continuing operations	$	54,343	$	(45,291	)	$	(40,030	)
Income from discontinued operations, net of tax	$	—	$	—		$	649
Net income (loss) used in computing basic net income (loss) per share	$	54,343	$	(45,291	)	$	(39,381	)
Denominator:
Shares used in computation of basic net income (loss) per share (weighted average common shares outstanding)	30,459		29,179			28,759
Dilutive potential common shares:
Stock options, ESPP, Restricted Stock and RSUs	948		—			—
Shares used in computation of diluted net income (loss) per share	31,407		29,179			28,759
Basic net income (loss) per share:
Continuing Operations	$	1.78	$	(1.55	)	$	(1.39	)
Discontinued Operations	$	—	$	0.00		$	0.02
Total	$	1.78	$	(1.55	)	$	(1.37	)
Diluted net income (loss) per share:
Continuing Operations	$	1.73	$	(1.55	)	$	(1.39	)
Discontinued Operations	$	—	$	0.00		$	0.02
Total	$	1.73	$	(1.55	)	$	(1.37	)

Schedule of antidilutive securities excluded from computation of earnings per share

As of December 31, 2017 and 2016, the Company had securities outstanding that could potentially dilute basic earnings per share in the future, but were excluded from the computation of diluted net loss per share for the year ended December 31, 2017 and 2016, since their effect would have been anti-dilutive. These outstanding securities consisted of the following:

	December 31,
	2017	2016
Standard and market condition stock options outstanding	3,550,072	3,646,121
Restricted stock awards outstanding	44,538	77,540
RSUs outstanding	508,880	427,192
ESPP	14,425	17,506