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Segment Reporting and Significant Customer Information - Assets by Segment (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
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Revenue for each segment recognized based on customer location |  |
Long-lived assets | $ 4,921 | $ 6,158
Total assets | 45,672 | 53,530
Intersegment Eliminations |  |
Revenue for each segment recognized based on customer location |  |
Long-lived assets | 0 | 0
Total assets | (72,864) | (66,851)
Asia Pacific | Operating Segments |  |
Revenue for each segment recognized based on customer location |  |
Long-lived assets | 140 | 209
Total assets | 3,697 | 5,295
Europe | Operating Segments |  |
Revenue for each segment recognized based on customer location |  |
Long-lived assets | 496 | 763
Total assets | 54,593 | 49,125
North America | Operating Segments |  |
Revenue for each segment recognized based on customer location |  |
Long-lived assets | 4,285 | 5,186
Total assets | $ 60,246 | $ 65,961

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- Definition Segment reporting information assets. + References No definition available. + Details
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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(12)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(11)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 + Details
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