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NET LOSS PER COMMON SHARE (Tables)
 9 Months Ended
Sep. 30, 2014
Earnings Per Share [Abstract]  
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 September 30,
 
Nine Months Ended September 30,
 
2014
 
2013
 
2014
 
2013
Net income (loss)
$
2,384

 
$
(4,156
)
 
$
(9,001
)
 
$
(25,700
)
     Add effect of dilutive securities:
 
 
 
 
 
 
 
          Interest on convertible notes
—

 
—

 
—

 
—

Adjusted net income (loss)
$
2,384

 
$
(4,156
)
 
$
(9,001
)
 
$
(25,700
)
 


 


 


 


Shares used in computing basic net income (loss) per common share
73,413

 
71,600

 
72,955

 
71,227

     Add effect of dilutive securities:
 
 
 
 
 
 
 
          Employee stock compensation plans
1,170

 
—

 
—

 
—

          Common stock subject to repurchase
1,732

 
—

 
—

 
—

          Convertible notes
—

 
—

 
—

 
—

Shares used in computing diluted net income (loss) per common share
76,315

 
71,600

 
72,955

 
71,227

 
 
 
 
 
 
 
 
Basic net income (loss) per common share
$
0.03

 
$
(0.06
)
 
$
(0.12
)
 
$
(0.36
)
 
 
 
 
 
 
 
 
Diluted net income (loss) per common share
$
0.03

 
$
(0.06
)
 
$
(0.12
)
 
$
(0.36
)
Securities excluded from diluted earnings per common share on an actual outstanding basis
otential dilutive securities excluded from diluted net income (loss) per common share were as follows (in thousands):

 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2014
 
2013
 
2014
 
2013
Employee stock options
3,283

 
5,364

 
4,452

 
5,364

Employee stock purchase plan
174

 
—

 
88

 
—

Restricted stock and restricted stock units
1,918

 
3,252

 
3,650

 
3,252

Convertible notes
17,857

 
17,857

 
17,857

 
17,864

Total
23,232

 
26,473

 
26,047

 
26,480