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Geographic Information and Concentrations of Risk | 6 Months Ended
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Jun. 30, 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 June 30, |  | Six Months Ended June 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
United States and Canada | $ | 32,562 |  |  | $ | 44,565 |  |  | $ | 62,668 |  |  | $ | 83,913 |
South Africa | 10,208 |  |  | 10,111 |  |  | 20,893 |  |  | 19,940 |
Other | 6,287 |  |  | 5,237 |  |  | 12,229 |  |  | 11,449 |
Total | $ | 49,057 |  |  | $ | 59,913 |  |  | $ | 95,790 |  |  | $ | 115,302 |
Concentrations of Risk For the three months ended June 30, 2018, one customer accounted for 45.1% of net revenues. For the three months ended June 30, 2017, two customers accounted for 47.1% and 12.1% of net revenues, respectively. For the six months ended June 30, 2018 and 2017, one customer accounted for 46.9% and 50.4% of net revenues, respectively. As of June 30, 2018, one customer accounted for 30.8% of accounts receivable, net. As of December 31, 2017, one customer accounted for 23.9% of accounts receivable, net.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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