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Segment and Geographic Information | 12 Months Ended
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Dec. 31, 2018
Segment Reporting [Abstract] |
Segment and Geographic Information | Segment and Geographic Information The Company operates in one segment, machine vision technology. The Company’s chief operating decision maker is the chief executive officer, who makes decisions to allocate resources and assesses performance at the corporate level. The Company offers a variety of machine vision products that have similar economic characteristics, have the same production processes, and are distributed by the same sales channels to the same types of customers. The following table summarizes information about geographic areas (in thousands):
| United States |  | Europe |  | Greater China |  | Other |  | Total
Year Ended December 31, 2018 |  |  |  |  |  |  |  |  |
Revenue | $ | 231,760 |  |  | $ | 307,965 |  |  | $ | 126,109 |  |  | $ | 140,504 |  |  | $ | 806,338 |
Long-lived assets | 67,156 |  |  | 23,948 |  |  | 1,482 |  |  | 2,735 |  |  | $ | 95,321 |
Year Ended December 31, 2017 |  |  |  |  |  |  |  |  |
Revenue | $ | 180,248 |  |  | $ | 328,826 |  |  | $ | 108,738 |  |  | $ | 148,271 |  |  | $ | 766,083 |
Long-lived assets | 53,983 |  |  | 22,437 |  |  | 1,594 |  |  | 2,525 |  |  | $ | 80,539 |
Year Ended December 31, 2016 |  |  |  |  |  |  |  |  |
Revenue | $ | 142,380 |  |  | $ | 230,311 |  |  | $ | 66,179 |  |  | $ | 90,645 |  |  | $ | 529,515 |
Long-lived assets | 40,404 |  |  | 12,981 |  |  | 994 |  |  | 1,932 |  |  | $ | 56,311 |
Revenue is presented geographically based upon the customer’s country of domicile. Revenue from a single customer accounted for 15%, 20%, and 17% of total revenue in 2018, 2017, and 2016, respectively. Accounts receivable from the same customer accounted for 30%, 40%, and 10% of total accounts receivable as of December 31, 2018, 2017, and 2016, respectively.

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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