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Concentration of Credit Risk (Tables) | 6 Months Ended
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Jun. 30, 2018
Risks And Uncertainties [Abstract] |
Schedule of Concentration of Sales and Accounts Receivable | The following represents customers that accounted for 10% or more of total revenue during the three and six months ended June 30, 2018 and 2017 and customers that accounted for 10% or more of total trade accounts receivable at June 30, 2018 and 2017.
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Percentage of net revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer A |  |  | 37 | % |  |  | 20 | % |  |  | 34 | % |  |  | 21 | %
Customer B |  |  | 10 |  |  |  | 9 |  |  |  | 7 |  |  |  | 11 |
Customer C |  |  | 7 |  |  |  | 14 |  |  |  | 7 |  |  |  | 14 |
|  | As of June 30, |  |  |  |  |  |  |  |  |
|  | 2018 |  |  | 2017 |  |  |  |  |  |  |  |  |
Percentage of gross trade accounts receivable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer A |  |  | 21 | % |  |  | 14 | % |  |  |  |  |  |  |  |
Customer B |  |  | 19 |  |  |  | 13 |  |  |  |  |  |  |  |  |
Customer C |  |  | 2 |  |  |  | 17 |  |  |  |  |  |  |  |  |
Schedule of Revenue by Geographic area | Net revenue by geographic area are as follows. Revenue is attributed by geographic location based on the bill-to location of the Company’s customers.
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |  |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |  |
Percentage of net revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
China |  |  | 76 | % |  |  | 65 | % |  |  | 70 | % |  |  | 68 | % |
Other Asia |  |  | 4 |  |  |  | 13 |  |  |  | 6 |  |  |  | 13 |  |
North America |  |  | 15 |  |  |  | 18 |  |  |  | 18 |  |  |  | 14 |  |
Europe |  |  | 5 |  |  |  | 4 |  |  |  | 6 |  |  |  | 5 |  |

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