Consolidated Financial Statements Details - Schedule of Other Income, Net (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
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| Other Income And Expenses [Abstract] | ||||
| Interest income, net | $ 133 | $ 246 | $ 462 | $ 596 |
| Change in fair value of warrant liability | 57 | 108 | 7 | 93 |
| Other | (6) | (25) | (23) | (44) |
| Other income, net | $ 184 | $ 329 | $ 446 | $ 645 |
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- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The net amount of operating interest income (expense). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of gain (loss) related to nonoperating activities, classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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