Commitments and Contingencies - Operating Leases (Details) $ in Millions |
1 Months Ended | 3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|---|
|
Mar. 31, 2015
USD ($)
ft²
|
Jun. 30, 2018
USD ($)
|
Jun. 30, 2017
USD ($)
|
Jun. 30, 2018
USD ($)
|
Jun. 30, 2017
USD ($)
|
|
| Operating leases | |||||
| Area of office and laboratory space leased | ft² | 21,488 | ||||
| Term of option to extend the lease | 5 years | ||||
| Rent expense | $ 0.2 | $ 0.2 | $ 0.4 | $ 0.4 | |
| Restricted Cash | |||||
| Operating leases | |||||
| Letter of credit outstanding | $ 0.5 | ||||
| X | ||||||||||
- Definition Represents information pertaining to the area leased. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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| X | ||||||||||
- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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