Name:	inva_SecuritiesPurchaseAgreementAmount
Namespace Prefix:	inva_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The number of shares purchased under the terms of a securities purchase agreement.

No definition available.

Name:	inva_SecuritiesPurchaseAgreementNumberOfSharesPurchased
Namespace Prefix:	inva_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The number of tranches in which the Company agreed to purchase common stock and warrants upon satisfaction of certain closing conditions under the terms of the securities purchase agreement.

No definition available.

Name:	inva_SecuritiesPurchaseAgreementNumberOfTranches
Namespace Prefix:	inva_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

The aggregate purchase price of number of shares purchased under the terms of a securities purchase agreement.

No definition available.

Name:	inva_SecuritiesPurchaseAgreementPurchasePrice
Namespace Prefix:	inva_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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.

No definition available.

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

Name:	srt_ConsolidatedEntitiesAxis=inva_ArmataPharmaceuticalsIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_FinancialInstrumentAxis=inva_CommonStockAndWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_StatementScenarioAxis=inva_SecuritiesPurchaseAgreementTrancheOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: