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Geographic Information and Concentrations of Risk (Tables)
3 Months Ended
Mar. 31, 2019
Segment Reporting [Abstract]  
Schedule of Geographic Concentration of Net Revenues
The following table details the Company’s net revenues by geographic region based on shipping destination (in thousands):
 
Three Months Ended
March 31,
 
2019
 
2018
United States and Canada
$
33,494

 
$
30,106

South Africa
8,369

 
10,685

Other
6,693

 
5,942

Total
$
48,556

 
$
46,733