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The amount of residual interest in the assets of the entity after deducting all its liabilities.

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The increase (decrease) in the number of shares outstanding. [Refer: Number of shares outstanding]

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The increase in equity through the issue of equity instruments.

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The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]

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The nominal value per share.

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The cash inflow from the exercise of share purchase warrants.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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The cash inflow from issuing shares.

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The amount of cost related to the issuance of shares.

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Subscription price per share or per unit of warrants or rights outstanding.

No definition available.

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Fair value of shares issued.

No definition available.

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Exercise price per share or per unit of warrants or rights outstanding.

No definition available.

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Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

No definition available.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

No definition available.

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Price of a single share of a number of saleable stocks of a company.

No definition available.

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Per share or per unit amount of equity securities issued.

No definition available.

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Data Type:	dtr-types:perShareItemType
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The number of warrants exercised during the period.

No definition available.

Name:	iva_NumberOfWarrantsExercisedDuringPeriodShares
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Number of warrants issued

No definition available.

Name:	iva_NumberOfWarrantsIssued
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Proceeds from issuance of shares and warrants.

No definition available.

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The fair value per unit of shares.

No definition available.

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Share price, measurement input.

No definition available.

Name:	iva_SharePriceMeasurementInput
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Period Type:	instant

The number of shares issued during the period.

No definition available.

Name:	iva_StockIssuedDuringPeriodShares
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Number of shares issued during period upon exercise of warrants.

No definition available.

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The subscription price per warrant.

No definition available.

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The fair value per unit of warrants outstanding.

No definition available.

Name:	iva_WarrantsUnitFairValue
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Period Type:	instant

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