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Concentration of Credit Risk (Tables) | 9 Months Ended
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Sep. 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 nine months ended September 30, 2018 and 2017 and customers that accounted for 10% or more of total trade accounts receivable at September 30, 2018 and 2017.
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Percentage of net revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer A |  | 38% |  |  | 24% |  |  | 35% |  |  | 22% |
Customer B |  |  | 9 |  |  |  | 14 |  |  |  | 8 |  |  |  | 14 |
Customer C |  |  | 7 |  |  |  | 11 |  |  |  | 7 |  |  |  | 11 |
|  | As of September 30, |  |  |  |  |  |  |  |  |
|  | 2018 |  |  | 2017 |  |  |  |  |  |  |  |  |
Percentage of gross trade accounts receivable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customer A |  | 24% |  |  | 22% |  |  |  |  |  |  |  |  |
Customer B |  |  | 16 |  |  |  | 2 |  |  |  |  |  |  |  |  |
Customer C |  |  | 13 |  |  |  | 5 |  |  |  |  |  |  |  |  |
Customer D |  |  | 10 |  |  |  | 16 |  |  |  |  |  |  |  |  |
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 September 30, |  |  | Nine Months Ended September 30, |  |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |  |
Percentage of net revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
China |  | 79% |  |  | 71% |  |  | 73% |  |  | 68% |  |
Other Asia |  |  | 5 |  |  |  | 4 |  |  |  | 6 |  |  |  | 13 |  |
North America |  |  | 13 |  |  |  | 19 |  |  |  | 16 |  |  |  | 14 |  |
Europe |  |  | 3 |  |  |  | 6 |  |  |  | 5 |  |  |  | 5 |  |

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