Subsequent events (Details) - Genentech Collaboration Agreement - Subsequent events $ in Millions	Feb. 21, 2020 USD ($)
Subsequent events
Number of Potential development candidates	4
Number of immuno oncology targets	2
Additional number of immuno oncology targets	2
Expansion Fee	$ 10.0
Upfront payment fee	30.0
Regulatory, and initial commercialization milestones, payments receivable	200.0
Sales milestone payments, receivable	$ 200.0
Royalty payable term from first commercial milestone	10 years
Minimum
Subsequent events
Success-based milestone payments per collaboration program	$ 10.0
Maximum
Subsequent events
Success-based milestone payments per collaboration program	$ 12.0

Additional number of immuno oncology targets.

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- Definition

Amount of Regulatory, and initial commercialization milestones payments receivable by the entity.

+ References

No definition available.

+ Details

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- Definition

Royalty payable term from first commercial milestone.

+ References

No definition available.

+ Details

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- Definition

Amount of Sales milestone payments, receivable by the entity.

+ References

No definition available.

+ Details

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- Definition

Amount of Success-based milestone payments per collaboration program receivable by the entity.

+ References

No definition available.

+ Details

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- Definition

Amount of upfront payment fee receivable by the entity.

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No definition available.

+ Details

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- Definition

Amount of expansion fee to per additional collaboration program.

+ References

No definition available.

+ Details

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- Definition

Number of immuno oncology targets.

+ References

No definition available.

+ Details

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- Definition

Number of Potential development candidates.

+ References

No definition available.

+ 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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