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Segment Information (Tables)
12 Months Ended
Dec. 31, 2012
Segment Reporting [Abstract]  
Net revenue by geographic area
Net revenue is recorded in the geographic area in which the sale is originated. Long-lived assets include property and equipment, net, identifiable intangible assets, net, and other non-current assets. Information concerning principal geographic areas in which we operate is as follows (in thousands):
 
 
Year ended December 31,
 
2010
 
2011
 
2012
Net revenue:
 
 
 
 
 
United States
$
245,372

 
$
193,755

 
$
192,801

Europe, Middle East and Africa
4,975

 
76

 
14

Asia
1,491

 
1,996

 
1,733

Total net revenue
$
251,838

 
$
195,827

 
$
194,548

Long-lived assets:
 
 
 
 
 
United States
$
5,140

 
$
4,945

 
$
7,682

Europe, Middle East and Africa
6,408

 
2,922

 
68

Asia

 

 

Total long-lived assets
$
11,548

 
$
7,867

 
$
7,750