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Geographic Information and Concentrations of Risk (Tables) | 9 Months Ended
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Sep. 30, 2017
Segment Reporting [Abstract] |
Schedule of Geographic Concentration of Net Revenues | 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 | %

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- Definition Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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