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Noncash Share-based Compensation (Tables)
 6 Months Ended
Jun. 30, 2016
Noncash Share-based Compensation [Abstract]  
Schedule of Share-based Compensation Expense
The following table summarizes share-based compensation expense included in the Company's unaudited condensed consolidated statements of comprehensive income (loss) for the three and six months ended June 30, 2016 and 2015:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2016
 
2015
 
2016
 
2015
Share-based compensation:
 
 
 
 
 
 
 
Cost of revenue
$
577

 
$
1,031

 
$
1,176

 
$
2,044

Operating expenses:
 
 
 
 
 
 
 
Selling and marketing
1,697

 
2,280

 
3,477

 
4,312

General and administrative
2,302

 
2,372

 
4,032

 
5,720

Research and development
1,293

 
1,322

 
2,568

 
2,674

Total included in operating expenses
5,292

 
5,974

 
10,077

 
12,706

Total share-based compensation expense
$
5,869

 
$
7,005

 
$
11,253

 
$
14,750