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Borrowing Arrangements - Additional Information (Detail) (USD $)
0 Months Ended 3 Months Ended 1 Months Ended
Feb. 27, 2015
Mar. 31, 2015
Mar. 31, 2014
Oct. 01, 2014
Feb. 25, 2015
Sep. 23, 2014
Jun. 06, 2014
Borrowing Arrangements [Line Items]              
Debt Instrument, Face Amount             $ 300,000us-gaap_DebtInstrumentFaceAmount
Gains (Losses) on Extinguishment of Debt, Total   (2,268,373)us-gaap_GainsLossesOnExtinguishmentOfDebt (2,403,193)us-gaap_GainsLossesOnExtinguishmentOfDebt        
Debt Instrument, Description of Variable Rate Basis   LIBOR plus 7%. In addition, a 3% per annum paid-in-kind (PIK) interest will be paid by increasing the principal amount of the Original Notes by the amount of such interest.          
Proceeds from Issuance of Debt   77,559us-gaap_ProceedsFromIssuanceOfDebt          
Proceeds from Notes Payable   1,126,900us-gaap_ProceedsFromNotesPayable 0us-gaap_ProceedsFromNotesPayable        
Warrants Exercisable Term 5 years            
National Securities Corporation [Member]              
Borrowing Arrangements [Line Items]              
Share Price 2.00us-gaap_SharePrice
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    $ 2.00us-gaap_SharePrice
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Warrants Exercisable Term       5 years      
Debt Instrument, Fee Amount 35,985us-gaap_DebtInstrumentFeeAmount
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= invt_NationalSecuritiesCorporationMember
    330,000us-gaap_DebtInstrumentFeeAmount
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= invt_NationalSecuritiesCorporationMember
     
Warrants Not Settleable in Cash, Fair Value Disclosure 4,960us-gaap_WarrantsNotSettleableInCashFairValueDisclosure
/ dei_LegalEntityAxis
= invt_NationalSecuritiesCorporationMember
    153,759us-gaap_WarrantsNotSettleableInCashFairValueDisclosure
/ dei_LegalEntityAxis
= invt_NationalSecuritiesCorporationMember
     
Stock Issued During Period, Shares, New Issues 26,989us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ dei_LegalEntityAxis
= invt_NationalSecuritiesCorporationMember
    247,500us-gaap_StockIssuedDuringPeriodSharesNewIssues
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= invt_NationalSecuritiesCorporationMember
     
Debt Instrument, Collateral Amount       3,500,000us-gaap_DebtInstrumentCollateralAmount
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= invt_NationalSecuritiesCorporationMember
     
Fortress Agreement [Member]              
Borrowing Arrangements [Line Items]              
Proceeds from Issuance of Senior Long-term Debt       9,964,868us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt
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= invt_FortressAgreementMember
     
Debt Instrument, Redemption Price, Percentage       5.00%us-gaap_DebtInstrumentRedemptionPricePercentage
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= invt_FortressAgreementMember
     
Stock Issued During Period, Value, Issued for Services       1,000,000us-gaap_StockIssuedDuringPeriodValueIssuedForServices
/ invt_AgreementAxis
= invt_FortressAgreementMember
     
Share Price 1.14us-gaap_SharePrice
/ invt_AgreementAxis
= invt_FortressAgreementMember
           
Termination Fee Payable       770,000invt_TerminationFeePayable
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= invt_FortressAgreementMember
     
Gross Proceeds From Senior Long Term Debt       11,000,000invt_GrossProceedsFromSeniorLongTermDebt
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= invt_FortressAgreementMember
     
Contract Claims Description       the Company is required to apply, towards its obligations pursuant to the Original Notes, 86% of the difference between (a) any revenues generated from the Monetization Revenue less (b) any litigation or licensing related third party expenses (including fees paid to the original patent owners) reasonably incurred by the Company to earn Monetization Revenue, subject to certain limits (such difference defined as Monetization Net Revenues). If Monetization Net Revenue is applied to outstanding principal of the Original Notes (defined as Mandatory Prepayments), such Mandatory Prepayments are not subject to the prepayment premium described above. To the extent that any obligations under the Original Notes are past due, including if such payments are past due as a result of the acceleration of the Original Notes or certain conditions of breach or alleged breach have occurred, the percentage will increase from 86% to 100%.      
Payments for Fees       385,000us-gaap_PaymentsForFees
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Revenue Recognition Under Agreement Description       the Company granted to the purchasers identified in the Fortress Agreement (Revenue Participants) a right to receive a portion of the Companys Monetization Revenues totaling $5,500,000 (unless the Revenue Participants have not received $5,500,000 by the Maturity Date, in which case the Revenue Participants have a right to receive a portion of Monetization Revenues totaling $8,250,000) (the Revenue Stream).      
Revenue Recognition of Participants Under Proportionate Share Agreement Description       The Revenue Participants will not receive any portion of the Revenue Stream until all obligations under the Original Notes are paid in full. Following payment in full of the Original Notes, the Company will pay to the Revenue Participants their proportionate share of the Monetization Net Revenues. The Revenue Participants proportionate share is equal to (a) 46% of Monetization Net Revenues until $2,750,000 has been paid to the Revenue Participants, (b) 31% of Monetization Net Revenues until the next $2,750,000 has been paid to the Revenue Participants and (c) 6% of Monetization Net Revenues until the next $2,750,000 has been paid to the Revenue Participants if (a) and (b) have not been fully paid by the Maturity Date. All Revenue Stream Payments will be payable on a monthly basis in arrears. The rights of the Revenue Participants to the Revenue Stream are secured by all of the Companys patent assets as of October 1, 2014 and the Cash Collateral Account, in each case junior in priority to the rights of the Note Purchasers. In connection with the Revenue Participants right to receive a portion of the Companys Monetization Revenues, the Company has recorded a net liability of $2,478,057, which represents the fair value of the expected Monetization Revenues, discounted 20% over the expected life of the revenue share agreement.      
Proceeds from Issuance of Debt       450,253us-gaap_ProceedsFromIssuanceOfDebt
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= invt_FortressAgreementMember
     
Warrants To Purchase Common Stock 500,000invt_WarrantsToPurchaseCommonStock
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= invt_FortressAgreementMember
           
Warrants Exercisable Term         7 years    
Proceeds from Issuance of Warrants 40,000us-gaap_ProceedsFromIssuanceOfWarrants
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= invt_FortressAgreementMember
           
Warrants Not Settleable in Cash, Fair Value Disclosure 172,319us-gaap_WarrantsNotSettleableInCashFairValueDisclosure
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= invt_FortressAgreementMember
           
Fortress Agreement [Member] | Common Stock [Member]              
Borrowing Arrangements [Line Items]              
Share Price       $ 2.00us-gaap_SharePrice
/ invt_AgreementAxis
= invt_FortressAgreementMember
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= us-gaap_CommonStockMember
     
Stock Issued During Period, Shares, New Issues       500,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
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= invt_FortressAgreementMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
     
Stock Issued During Period, Value, New Issues       1,000,000us-gaap_StockIssuedDuringPeriodValueNewIssues
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= invt_FortressAgreementMember
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= us-gaap_CommonStockMember
     
Additional Available Credit [Member] | Fortress Agreement [Member]              
Borrowing Arrangements [Line Items]              
Revenue Recognition of Participants Under Proportionate Share Agreement Description         The Revenue Participants are entitled to receive $7,700,000 (adjusted from the terms of the Original Notes) plus 70% of the Additional Notes as a portion of the Revenue Stream Basis (as defined below) if the Notes and Revenue Stream payments are paid in full by the Maturity Date or $9,350,000 (adjusted from the terms of the Original Notes) plus 85% of the Additional Notes as a portion of the Revenue Stream Basis if the Fortress Notes and Revenue Stream payments are not paid in full by the Maturity Date. The Revenue Stream payments will begin after all obligations on the Fortress Notes are paid in full. The Company is required to apply specified decreasing percentages (46% to 31% to 6%) of its net revenues (net of monetization costs) from monetizing its intellectual property assets on an ongoing basis to meet the Revenue Stream payment obligations. Payment of the full Revenue Stream payments in addition to the Fortress Note obligations by the Maturity Date would ordinarily occur after the Company receives approximately $60,000,000 in gross licensing revenues, assuming an average monetization cost of 33%.    
Line of Credit Facility, Remaining Borrowing Capacity         3,000,000us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
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/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= invt_AdditionalAvailableCreditMember
   
Debt Instrument Percentage Of Monetization Of Net Revenue         0.00%invt_DebtInstrumentPercentageOfMonetizationOfNetRevenue
/ invt_AgreementAxis
= invt_FortressAgreementMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= invt_AdditionalAvailableCreditMember
   
Proceeds from Notes Payable         1,199,500us-gaap_ProceedsFromNotesPayable
/ invt_AgreementAxis
= invt_FortressAgreementMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= invt_AdditionalAvailableCreditMember
   
Warrants To Purchase Common Stock         500,000invt_WarrantsToPurchaseCommonStock
/ invt_AgreementAxis
= invt_FortressAgreementMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= invt_AdditionalAvailableCreditMember
   
Proceeds from Issuance or Sale of Equity         1,172,885us-gaap_ProceedsFromIssuanceOrSaleOfEquity
/ invt_AgreementAxis
= invt_FortressAgreementMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= invt_AdditionalAvailableCreditMember
   
Payments of Stock Issuance Costs         77,559us-gaap_PaymentsOfStockIssuanceCosts
/ invt_AgreementAxis
= invt_FortressAgreementMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= invt_AdditionalAvailableCreditMember
   
Derivative Liability, Fair Value, Amount Not Offset Against Collateral         335,762us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
/ invt_AgreementAxis
= invt_FortressAgreementMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
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Debt Instrument, Fee         The structuring fee equal to 3.5% of the original principal amount of any such Additional Notes is waived.    
Monetization Of Revenue Loss From Change In Fair Value         2,268,373invt_MonetizationOfRevenueLossFromChangeInFairValue
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/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= invt_AdditionalAvailableCreditMember
   
Line Of Credit Facility Additional Borrowing Capacity         2,000,000invt_LineOfCreditFacilityAdditionalBorrowingCapacity
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= invt_FortressAgreementMember
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= invt_AdditionalAvailableCreditMember
   
Joseph W. Beyers [Member] | Share Purchase Agreement [Member]              
Borrowing Arrangements [Line Items]              
Share Price           $ 2.14us-gaap_SharePrice
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= invt_JosephWBeyersMember
 
Stock Issued During Period, Shares, Other           233,640us-gaap_StockIssuedDuringPeriodSharesOther
/ invt_AgreementAxis
= invt_SharePurchaseAgreementMember
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= invt_JosephWBeyersMember
 
Stock Issued During Period, Value, Other           500,000us-gaap_StockIssuedDuringPeriodValueOther
/ invt_AgreementAxis
= invt_SharePurchaseAgreementMember
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= invt_JosephWBeyersMember
 
Proceeds from Related Party Debt           300,000us-gaap_ProceedsFromRelatedPartyDebt
/ invt_AgreementAxis
= invt_SharePurchaseAgreementMember
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= invt_JosephWBeyersMember
 
Shares To Be Issued Under Agreement Description           The shares were only to be issued if we did not obtain $6 million or more in debt financing within ten business days of the execution of the agreement.  
Due to Related Parties           300,000us-gaap_DueToRelatedPartiesCurrentAndNoncurrent
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First Republic Bank [Member]              
Borrowing Arrangements [Line Items]              
Debt Instrument, Face Amount       500,000us-gaap_DebtInstrumentFaceAmount
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Convertible Notes Payable [Member]              
Borrowing Arrangements [Line Items]              
Debt Conversion, Converted Instrument, Shares Issued       1,804,030us-gaap_DebtConversionConvertedInstrumentSharesIssued1
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
     
Debt Conversion Original Debt Interest Amount       187,351invt_DebtConversionOriginalDebtInterestAmount
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
     
Debt Conversion, Original Debt, Amount       $ 8,000,000us-gaap_DebtConversionOriginalDebtAmount1
/ us-gaap_ShortTermDebtTypeAxis
= us-gaap_ConvertibleNotesPayableMember
     
Common Stock, Conversion Features       right to convert the existing notes into 1,508,162 shares of common stock of the Company until July 2018)