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Geographic Information and Concentrations of Risk
3 Months Ended
Mar. 31, 2018
Segment Reporting [Abstract]  
Geographic Information and Concentrations of Risk
Geographic Information and Concentrations of Risk
Geographic Information
The following table details the Company’s net revenues by geographic region based on shipping destination (in thousands):
 
Three Months Ended
March 31,
 
2018
 
2017
United States and Canada
$
30,106

 
$
39,355

South Africa
10,685

 
9,822

Other
5,942

 
6,212

Total
$
46,733

 
$
55,389


Concentrations of Risk
For the three months ended March 31, 2018, one customer accounted for 48.9% of net revenues. For the three months ended March 31, 2017, one customer accounted for 53.9% of net revenues.
As of March 31, 2018, one customer accounted for 26.1% of accounts receivable, net.