Summary of Outstanding Warrants Issued by Company (Detail) - $ / shares	9 Months Ended
Sep. 30, 2019	Feb. 08, 2017
Class Of Warrant Or Right [Line Items]
Number of Shares Issuable Upon Exercise	620,000
East West Bank Warrant
Class Of Warrant Or Right [Line Items]
Number of Shares Issuable Upon Exercise	40,000
Weighted Average Exercise Price	$ 3.64	$ 3.64
Issue Date	Feb. 08, 2017
Expiration Date	Feb. 08, 2022
VLL7 and VLL8 Warrants
Class Of Warrant Or Right [Line Items]
Number of Shares Issuable Upon Exercise	580,000
Weighted Average Exercise Price	$ 2.00
Issue Date	Feb. 08, 2017
Expiration Date	Feb. 08, 2022

Class of warrant or right, issue date of warrants.

No definition available.

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Namespace Prefix:	inve_
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Period Type:	duration

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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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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Data Type:	xbrli:stringItemType
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Period Type:	duration

- Definition

Number of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	instant

- Definition

Expiration date of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

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- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
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