- Definition

The aggregate potential amount of payments the entity may be required to make to the counterparty based on achievement of milestones under the license or collaboration agreement.

+ References

No definition available.

+ Details

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- Definition

The amount of payments to the entity that are required to be made to the counterparty based on achievement of milestones under the license or collaboration agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	crvs_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

The minimum annual fee the entity is obligated to pay to the counterparty under the license or collaboration agreement.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Period of written notice the entity is required to provide for termination of the license or collaboration agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	crvs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of a one-time cash payment made to the counterparty upon entering into a license or collaboration agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	crvs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

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- Details

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Data Type:	na
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- Details

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License and Collaboration Agreements (Details) - USD ($)	1 Months Ended	12 Months Ended
	Feb. 28, 2015	Dec. 31, 2019	Dec. 31, 2015	Feb. 28, 2017
Monash License
License and Collaboration Agreements
Minimum annual fee		$ 25,000
Aggregate potential milestone payments		$ 45,100,000
Period of written notice to terminate		30 days
Monash License \| Research and development
License and Collaboration Agreements
One-time cash payment		$ 275,000
Licensing Agreement \| Scripps Research Institute
License and Collaboration Agreements
Minimum annual fee			$ 25,000
Aggregate potential milestone payments			$ 2,600,000
Milestone payments made		$ 0
Period of written notice to terminate			90 days
Licensing Agreement \| Scripps Research Institute \| Research and development
License and Collaboration Agreements
One-time cash payment			$ 10,000
Licensing Agreement \| Vernalis (R&D) Limited
License and Collaboration Agreements
Milestone payments made				$ 3,000,000
Period of written notice to terminate	90 days
Licensing Agreement \| Vernalis (R&D) Limited \| Minimum
License and Collaboration Agreements
Aggregate potential milestone payments	$ 220,000,000
Licensing Agreement \| Vernalis (R&D) Limited \| Research and development
License and Collaboration Agreements
One-time cash payment	$ 1,000,000