Accrued Expenses and Long-term Liabilities - Schedule of Long Term Liabilities (Details) - USD ($) $ in Thousands |
Dec. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Payables and Accruals [Abstract] | ||
| Warrant liability | $ 82 | $ 361 |
| Uncertain tax positions | 4,081 | 3,838 |
| Deferred revenue | 269 | |
| Other | 141 | 120 |
| Total other long-term liabilities | $ 4,573 | $ 4,319 |
| X | ||||||||||
- Definition Other accrued expenses and long-term liabilities. No definition available.
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| X | ||||||||||
- Definition Warrant liability noncurrent. No definition available.
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| X | ||||||||||
- Definition Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount recognized for uncertainty in income taxes classified as noncurrent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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