Revenue (Narrative) (Details) - USD ($) $ in Thousands |
3 Months Ended | ||
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Mar. 31, 2019 |
Mar. 31, 2018 |
Dec. 31, 2018 |
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Disaggregation of Revenue [Line Items] | |||
Deferred service revenue, current | $ 6,428 | $ 6,537 | |
Deferred service revenue, non-current | 769 | 890 | |
Revenue | 16,425 | $ 19,362 | |
Prepaid expenses and other current assets | 2,787 | $ 2,832 | |
Service [Member] | |||
Disaggregation of Revenue [Line Items] | |||
Deferred service revenue | 7,200 | ||
Deferred service revenue, current | 6,400 | ||
Deferred service revenue, non-current | 800 | ||
Revenue | 2,400 | ||
Prepaid expenses and other current assets | $ 300 | ||
Service [Member] | Minimum [Member] | |||
Disaggregation of Revenue [Line Items] | |||
Deferred service revenue, noncurrent, recognition period | 2 years | ||
Service [Member] | Maximum [Member] | |||
Disaggregation of Revenue [Line Items] | |||
Deferred service revenue, noncurrent, recognition period | 3 years |
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- Definition Contract with Customer, Liability, Noncurrent, Recognition Period No definition available.
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. No definition available.
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- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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