Consolidated Financial Statements Details - Schedule of Other Income, Net (Detail) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
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| Other Income And Expenses [Abstract] | ||
| Interest income, net | $ 77 | $ 169 |
| Change in fair value of warrant liability | 2 | (13) |
| Other | 52 | 55 |
| Other income, net | $ 131 | $ 211 |
| X | ||||||||||
- 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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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- 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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