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Geographic Information and Concentrations of Risk
9 Months Ended
Sep. 30, 2017
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 net revenues based on shipping destination:
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
 
2017
 
2016
 
2017
 
2016
United States and Canada
73.2
%
 
72.4
%
 
72.9
%
 
74.6
%
South Africa
17.0

 
17.7

 
17.2

 
15.3

Other
9.8

 
9.9

 
9.9

 
10.1

 
100.0
%
 
100.0
%
 
100.0
%
 
100.0
%

Concentrations of Risk
For the three months ended September 30, 2017, two customers accounted for 48.0% and 14.9% of net revenues, respectively. For the three months ended September 30, 2016, one customer accounted for 55.3% of net revenues. For the nine months ended September 30, 2017, two customers accounted for 49.6% and 11.4% of net revenues, respectively. For the nine months ended September 30, 2016, one customer accounted for 54.6% of net revenues.
As of September 30, 2017, one customer accounted for 37.9% of accounts receivable, net.