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Description of Operations and Summary of Significant Accounting Policies (Tables)
 6 Months Ended
Jun. 30, 2016
Accounting Policies [Abstract]  
Schedule of Reconciliation of Basic and Diluted Net Income (Loss) per Share Calculation

The following is a reconciliation of the basic and diluted net income (loss) per share calculation for the periods presented (in thousands, except per share data):

 

 

Three Months Ended June 30,

 

 

Six Months Ended June 30,

 

 

 

2016

 

 

2015

 

 

2016

 

 

2015

 

Net income (loss)

 

$

24,316

 

 

$

57,055

 

 

$

(3,524

)

 

$

10,688

 

Weighted average shares used to compute net income per share:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Basic

 

 

62,582

 

 

 

59,798

 

 

 

62,383

 

 

 

59,499

 

Dilutive effect of potential common shares

 

 

6,440

 

 

 

8,954

 

 

 

-

 

 

 

9,855

 

Diluted

 

 

69,022

 

 

 

68,752

 

 

 

62,383

 

 

 

69,354

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Net income (loss) per share:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Basic

 

$

0.39

 

 

$

0.95

 

 

$

(0.06

)

 

$

0.18

 

Diluted

 

$

0.35

 

 

$

0.83

 

 

$

(0.06

)

 

$

0.15