Commitments and Contingencies - Operating Leases (Details) $ in Thousands |
1 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
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Mar. 31, 2015
ft²
|
Dec. 31, 2017
USD ($)
|
Dec. 31, 2016
USD ($)
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Dec. 31, 2015
USD ($)
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|
| Operating leases | ||||
| Area of office and laboratory space leased | ft² | 21,488 | |||
| Term of option to extend the lease | 5 years | |||
| Rent expense | $ 900 | $ 900 | $ 300 | |
| Restricted cash, current | 193 | |||
| Operating leases future minimum payments | ||||
| 2018 | 1,288 | |||
| 2019 | 1,325 | |||
| 2020 | 1,130 | |||
| Operating leases future minimum payments | 3,743 | |||
| Restricted Cash | ||||
| Operating leases | ||||
| Letter of credit outstanding | $ 500 | $ 500 | ||
| 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 the lessee's leasing arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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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 Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 | ||||||||||
- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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