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Segment Information (Tables)
12 Months Ended
Dec. 31, 2014
Segment Reporting [Abstract]  
Summary of Net Revenue by Geographic Location

Net revenue by geographic location based on the location of customers was as follows (in thousands):

 

 

 

Years Ended December 31,

 

 

 

2014

 

 

2013

 

 

2012

 

United States

 

$

29,848

 

 

$

35,653

 

 

$

40,524

 

International

 

 

17,808

 

 

 

20,777

 

 

 

16,832

 

 

 

$

47,656

 

 

$

56,430

 

 

$

57,356