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Business Segments, Concentration of Credit Risk and Significant Customers | 9 Months Ended
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Sep. 30, 2017
Business Segments, Concentration of Credit Risk and Significant Customers |
Business Segments, Concentration of Credit Risk and Significant Customers | Note 5. Business Segments, Concentration of Credit Risk and Significant Customers The Company operates in one business segment and uses one measurement of profitability for its business. Net revenue attributed to the United States and to all foreign countries is based on the geographical location of the customer. Financial instruments that potentially subject the Company to significant concentrations of credit risk consist principally of cash, cash equivalents, short‑term investments and accounts receivable. Cash, cash equivalents and short‑term investments are deposited with high credit‑quality institutions. The Company recognized revenue from shipment of product and licensing of its technologies to customers by geographical location as follows (in thousands):
|  | Three Months Ended |  | Nine Months Ended |
|  | September 30, |  | September 30, |
|  | 2017 |  | 2016 |  | 2017 |  | 2016 |
North America |  | $ | 1,915 |  | $ | 937 |  | $ | 3,698 |  | $ | 2,905 |
Japan |  |  | 384 |  |  | 398 |  |  | 755 |  |  | 1,103 |
Taiwan |  |  | 123 |  |  | 209 |  |  | 463 |  |  | 581 |
Rest of world |  |  | 31 |  |  | 29 |  |  | 133 |  |  | 68 |
Total net revenue |  | $ | 2,453 |  | $ | 1,573 |  | $ | 5,049 |  | $ | 4,657 |
Customers who accounted for at least 10% of total net revenue were:
|  | Three Months Ended |  | Nine Months Ended |  |
|  | September 30, |  | September 30, |  |
|  | 2017 |  | 2016 |  | 2017 |  | 2016 |  |
Customer A |  | 43 | % | * | % | 44 | % | * | % |
Customer B |  | 24 | % | 41 | % | 15 | % | 47 | % |
Customer C |  | 15 | % | 25 | % | 15 | % | 23 | % |
Customer D |  | * | % | 13 | % | * | % | 12 | % |
*Represents less than 10% Three customers accounted for 78% of accounts receivable, net at September 30, 2017. One customer accounted for 72% of accounts receivable, net at December 31, 2016.

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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 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8981-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8971-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8595-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8380-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8984-108599 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9031-108599 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9054-108599 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8538-108599 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8864-108599 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8924-108599 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599 + Details
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