XML 142 R118.htm IDEA: XBRL DOCUMENT v3.21.1

Commitments (Details) € in Thousands	Dec. 31, 2020 EUR (€) item	Feb. 01, 2019
Disclosure of detailed information about financial instruments [line items]
Bank guarantee and pledge of gradual rate deposit account	€ 1,700
Amount of pledge as a percentage of sum not covered by the indemnity to be received		50.00%
Financial assets pledged as collateral for liabilities or contingent liabilities	1,700
Pledge over cash, two
Disclosure of detailed information about financial instruments [line items]
Bank guarantee and pledge of gradual rate deposit account	1,000
Financial assets pledged as collateral for liabilities or contingent liabilities	1,000
Socit Gnrale
Disclosure of detailed information about financial instruments [line items]
Loan amount	254
Bank guarantee and pledge of gradual rate deposit account	101
Financial assets pledged as collateral for liabilities or contingent liabilities	€ 101
Crdit Agricole bank
Disclosure of detailed information about financial instruments [line items]
Amount of pledge as a percentage of sum not covered by the indemnity to be received	50.00%
Number of pledges over cash | item	2
Crdit Agricole bank | Pledge over cash, one
Disclosure of detailed information about financial instruments [line items]
Bank guarantee and pledge of gradual rate deposit account	€ 700
Number of pledges over cash | item	1
Financial assets pledged as collateral for liabilities or contingent liabilities	€ 700
Crdit Agricole bank | If dispute remains unresolved
Disclosure of detailed information about financial instruments [line items]
Bank guarantee and pledge of gradual rate deposit account	3,400
Financial assets pledged as collateral for liabilities or contingent liabilities	€ 3,400

X

- Definition

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

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfFinancialInstrumentsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of financial assets that the entity has pledged as collateral for liabilities or contingent liabilities, including amounts that have been reclassified in accordance with paragraph 3.2.23(a) of IFRS 9. [Refer: Contingent liabilities [member]; Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2020-01-01
-Paragraph 14
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_14_a&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount of contractual undiscounted cash flows for gross commitments to receive a loan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 7
-IssueDate 2020-01-01
-Paragraph B11D
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_B11D_e&doctype=Appendix&subtype=B
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_GrossLoanCommitments
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Number of pledges that the company has pledged over cash.

+ References

No definition available.

+ Details

Name:	iva_NumberOfPledgesOverCash
Namespace Prefix:	iva_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Represents the pledge as percentage of sum not covered by the indemnity.

+ References

No definition available.

+ Details

Name:	iva_PledgeAsPercentageOfSumNotCoveredByIndemnityPercent
Namespace Prefix:	iva_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	iva_PledgeAxis=iva_PledgeOverCashTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CounterpartiesAxis=iva_SocieteGeneraleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CounterpartiesAxis=iva_CreditAgricoleBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	iva_PledgeAxis=iva_PledgeOverCashOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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