Payment Obligation Under 2009 Settlement Agreement (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
2020 (remaining three months)	$ 12,384
2021	1,502
Total	13,886
Less: Current portion - contractual payment obligation	(950)	$ (1,311)
Long-term contractual payment obligation	246	$ 360
Settlement Agreement
Related Party Transaction [Line Items]
2020 (remaining three months)	180
2021	1,083
Present value discount factor	(67)
Total	1,196
Less: Current portion - contractual payment obligation	(950)
Long-term contractual payment obligation	$ 246

Purchase obligation current.

No definition available.

Name:	inve_PurchaseObligationCurrent
Namespace Prefix:	inve_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Purchase obligation noncurrent.

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No definition available.

+ Details

Name:	inve_PurchaseObligationNoncurrent
Namespace Prefix:	inve_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Purchase obligation principal present value discount factor.

+ References

No definition available.

+ Details

Name:	inve_PurchaseObligationPrincipalPresentValueDiscountFactor
Namespace Prefix:	inve_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

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No definition available.

+ Details

Name:	us-gaap_PurchaseObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of purchase arrangement to be paid in next fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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No definition available.

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Name:	us-gaap_PurchaseObligationDueInNextTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of purchase arrangement to be paid in remainder of current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment.

+ References

No definition available.

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Name:	us-gaap_PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear
Namespace Prefix:	us-gaap_
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

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

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=inve_SettlementAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: