NET INCOME (LOSS) PER COMMON SHARE (Tables)

3 Months Ended

Mar. 31, 2015

Schedule of basic and diluted earnings per share

The following table sets forth a reconciliation of basic and diluted net income (loss) per common share (in thousands except per common share amounts):



	Three Months Ended March 31,
	2015		2014
Net income (loss)	$	4,386	$	(10,474	)

Shares used in computing basic net income (loss) per common share	75,408		72,498
Add effect of dilutive securities:
Employee stock options	1,639		—
Employee stock purchase plan	71		—
Restricted stock and restricted stock units	1,636		—
Shares used in computing diluted net income (loss) per common share	78,754		72,498

Basic net income (loss) per common share	$	0.06	$	(0.14	)
Diluted net income (loss) per common share	$	0.06	$	(0.14	)

Securities excluded from diluted earnings per common share on an actual outstanding basis

The potential dilutive securities excluded from diluted net income (loss) per common share were as follows (in thousands):



	Three Months Ended March 31,
	2015	2014
Employee stock options	2,309	5,068
Employee stock purchase plan	—	173
Restricted stock and restricted stock units	1,359	4,419
Convertible notes	17,857	17,857
Total	21,525	27,517