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Segment Reporting and Significant Customer Information - Long Lives Assets by Geographic Area (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
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Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets | $ 4,921 | $ 6,158
United States |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets | 3,893 | 4,755
Rest of the world |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets | $ 1,028 | $ 1,403

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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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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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