Balance Sheets Components - Prepaid and Other Current Assets (Details) - USD ($) $ in Thousands |
Sep. 30, 2019 |
Dec. 31, 2018 |
|||
---|---|---|---|---|---|
Organization, Consolidation and Presentation of Financial Statements [Abstract] | |||||
Prepaid research and development expenses | $ 4,124 | $ 2,356 | |||
Accrued interest on investments | 2,337 | 3,108 | |||
Other prepaid and current assets | 1,938 | 758 | |||
Prepaid insurance | 114 | 2,376 | |||
Total prepaid expenses and other current assets | $ 8,513 | $ 8,598 | [1] | ||
|
X | ||||||||||
- Definition Prepaid research and development expenses current. No definition available.
|
X | ||||||||||
- Definition Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- References No definition available.
|
X | ||||||||||
- 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
|
X | ||||||||||
- 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
|
X | ||||||||||
- 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
|