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Facility Lease - Lessee information (Details) $ in Thousands | 1 Months Ended |  |  |
--- | --- | --- | --- | ---
Oct. 31, 2018 USD ($) ft² | Jun. 30, 2020 USD ($) | Dec. 31, 2019 USD ($) | Jan. 31, 2015 ft²
Lessee Disclosure [Abstract] |  |  |  |
Area of leased facility | ft² | 27,280 |  |  | 8,138
Lease term |  |  |  | 1 year
Landlord Provided Free Rent And Lease Incentives | $ 1,900 |  |  |
Operating lease right-of-use asset |  | $ 1,996 | $ 2,327 |

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- Definition Represents the amount of lease incentives and free rent that were provided by the landlord. + References No definition available. + Details
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- Definition Area of a real estate property. + References No definition available. + Details
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Data Type: | num:areaItemType
Balance Type: | na
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- References No definition available. + Details
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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