Summary of Net Revenue by Geographic Location (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Segment Reporting Information [Line Items] | |||
| Net revenue | $ 46,926 | $ 51,810 | $ 48,475 |
| United States | |||
| Segment Reporting Information [Line Items] | |||
| Net revenue | 29,296 | 33,385 | 29,433 |
| International | |||
| Segment Reporting Information [Line Items] | |||
| Net revenue | $ 17,630 | $ 18,425 | $ 19,042 |
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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