Subsequent Events (Details) - Subsequent Events - David P. Meeker, M.D., President and Chief Executive Officer - 2017 Equity Incentive Plan	Jul. 20, 2020 installment shares
Subsequent events
Number of common stock options granted \| shares	900,000
Tranche One
Subsequent events
Vesting percentage	25.00%
Tranche Two
Subsequent events
Vesting percentage	75.00%
Number of installments \| installment	12
Service period	3 months

The number of installments in which the underlying shares will vest upon completion of service period.

No definition available.

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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- Definition

Percentage of vesting of award under share-based payment arrangement.

+ References

+ Details

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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