Commitments and Contingencies - Additional Information (Details) ft² in Thousands, $ in Millions		6 Months Ended
May 04, 2020 ft² $ / ft²	Jun. 30, 2020 USD ($) lease renewal_option
Operating Leased Assets [Line Items]
Non-cancellable office leases \| lease		2
Operating lease, term of contract		1 year 3 months
Weighted-average discount rate		8.59%
Prepaid rent		$ 0.2
Security deposit		$ 0.3
One office lease
Operating Leased Assets [Line Items]
Number of one year renewal options \| renewal_option		3
10770 Wateridge Circle, San Diego, California 92121
Operating Leased Assets [Line Items]
Area of leased property (sqft) \| ft²	45
Lease term	124 months
Lease renewal term	5 years
Lease termination term	7 years
Monthly base rate (usd per sqft) \| $ / ft²	4.20
Increase in annual rent	3.00%

Annual Rent Increase, Percent

No definition available.

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- Definition

Lessee, Operating Lease, Lease Not yet Commenced, Expiration Period

+ References

No definition available.

+ Details

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- Definition

Lessee, Operating Lease, Number

+ References

No definition available.

+ Details

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- Definition

Lessee, Operating Lease, One Year Renewal Options, Number

+ References

No definition available.

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- Definition

Rent Per Square Foot

+ References

No definition available.

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- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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- Definition

Term of lessee's operating lease renewal for lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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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.

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- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount of asset related to consideration paid in advance for rent that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

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- Definition

The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.

+ References

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