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Noncash Share-based Compensation (Tables)
 9 Months Ended
Sep. 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 nine months ended September 30, 2016 and 2015:
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2016
 
2015
 
2016
 
2015
Share-based compensation:
 
 
 
 
 
 
 
Cost of revenue
$
544

 
$
852

 
$
1,720

 
$
2,896

Operating expenses:
 
 
 
 
 
 
 
Selling and marketing
(918
)
 
2,229

 
2,559

 
6,541

General and administrative
2,235

 
2,280

 
6,267

 
8,000

Research and development
1,331

 
1,270

 
3,899

 
3,944

Total included in operating expenses
2,648

 
5,779

 
12,725

 
18,485

Total share-based compensation expense
$
3,192

 
$
6,631

 
$
14,445

 
$
21,381