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Geographic Information and Concentrations of Risk
 12 Months Ended
Dec. 31, 2016
Segment Reporting [Abstract]  
Geographic Information and Concentrations of Risk
Geographic Information and Concentrations of Risk
Geographic Information
The following table details the geographic concentration of the Company’s assets (in thousands):
 
December 31,
 
2016
 
2015
United States and Canada
$
71,564

 
$
112,424

South Africa
63,693

 
60,580

Other
23,459

 
25,749

 
$
158,716

 
$
198,753


The following table details the geographic concentration of the Company’s net revenues based on shipping destination:
 
Year Ended December 31,
 
2016
 
2015
 
2014
United States and Canada
72.9
%
 
89.1
%
 
91.2
%
South Africa
16.6

 
4.6

 
—

Other
10.5

 
6.3

 
8.8

 
100.0
%
 
100.0
%
 
100.0
%

Concentrations of Risk
For the years ended December 31, 2016, 2015 and 2014, one customer accounted for 53.9%, 53.6% and 51.6% of net revenues, respectively. At December 31, 2016 and 2015, one customer accounted for 42.8% and 17.4% of total accounts receivable, respectively.