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Concentration of Credit Risk | 6 Months Ended
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Jun. 30, 2018
Risks And Uncertainties [Abstract] |
Concentration of Credit Risk | Note 14. Concentration of Credit Risk
(a) | 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 |  |  |  |  |  |  |  |  |
(b) | Revenue by Geography
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 |  |
Although the Company ships the majority of antennas to its customers in China (primarily Original Design Manufacturers and distributors), the end-users of the Company’s products are much more geographically diverse.
(c) | Concentration of Purchases
During the three and six months ended June 30, 2018, primarily all of the Company’s products were manufactured by two vendors in China and by the Company’s facilities in Arizona. During the three and six months ended June 30, 2017, all of the Company’s products were manufactured by two vendors in China and by the Company’s facilities in Wisconsin and Arizona.

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -URI http://asc.fasb.org/topic&trid=2134479 + Details
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- References No definition available. + Details
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