Consolidated Financial Statements Details - Schedule of Other Income, Net (Detail) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
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| Other Income and Expenses [Abstract] | ||
| Interest expense | $ (2,355) | |
| Interest income | $ 181 | 1 |
| Gain on fair value change of warrant liability | 3,118 | |
| Other | 2 | 22 |
| Other income, net | $ 183 | $ 786 |
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- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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://www.xbrl.org/2003/role/presentationRef
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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://www.xbrl.org/2003/role/presentationRef
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- Definition Interest income. No definition available.
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