Prepaid Expenses and Other Current Assets - Summary of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Prepaid Expense And Other Assets Current [Abstract] | ||
| Prepaid research and development expenses | $ 5,351 | $ 2,289 |
| Short-term deposits | 959 | 1,346 |
| Other prepaid assets | 921 | 516 |
| Research and development tax credit receivable | 404 | 133 |
| Prepaid insurance | 438 | 117 |
| Value added tax receivable | 159 | 281 |
| Interest receivable | 158 | 95 |
| Deferred IPO expenses | 180 | |
| Total | $ 8,390 | $ 4,957 |
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- Definition Deferred initial public offering expenses current. No definition available.
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- Definition Prepaid research and development expenses current. No definition available.
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- Definition Research and development tax credit receivable current. No definition available.
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- Definition Short-term deposits current. No definition available.
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- Definition Carrying amount as of the balance sheet date of current interest earned but not received. Also called accrued interest or accrued interest receivable. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within 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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- Definition Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Carrying amount as of the balance sheet date of value added taxes due either from customers arising from sales on credit terms, or as previously overpaid to tax authorities. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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