Debt instrument, convertible, threshold stock price.

No definition available.

Name:	invt_DebtInstrumentConvertibleThresholdStockPrice
Namespace Prefix:	invt_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	invt_FairValueDisclosureLineItems
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Period Type:	duration

- Definition

warrants to purchase shares common stock

+ References

No definition available.

+ Details

Name:	invt_PurchaseOfWarrantstoCommonStock
Namespace Prefix:	invt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of outstanding long-term debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(c))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph c

-Article 4

+ Details

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

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesAPreferredStockMember
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Data Type:	na
Balance Type:
Period Type:

Fair Value Measurements - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 31, 2015	Jan. 31, 2014	Dec. 17, 2013	Oct. 31, 2014
Fair Value Disclosure [Line Items]
Debt instrument convertible threshold stock price	$ 0.289
Purchase of warrants to common stock		$ 238,412invt_PurchaseOfWarrantstoCommonStock
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 3.04	$ 2.66
Debt Instrument, Debt Default, Amount	5,000,000us-gaap_DebtDefaultLongtermDebtAmount
Debt Conversion, Converted Instrument, Amount	$ 3,000,000
Minimum [Member]
Fair Value Disclosure [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights				$ 2.27
Series A Preferred Stock [Member]
Fair Value Disclosure [Line Items]
Debt instrument convertible threshold stock price	$ 0.289