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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Cash flows from operating activities    
Net loss $ (6,625,833)us-gaap_NetIncomeLoss $ (5,425,573)us-gaap_NetIncomeLoss
Adjustments to reconcile net loss to net cash used in operating activities    
Depreciation expense 4,251us-gaap_DepreciationDepletionAndAmortization 0us-gaap_DepreciationDepletionAndAmortization
Loss on extinguishment of notes payable 2,268,373us-gaap_GainsLossesOnExtinguishmentOfDebt 2,403,193us-gaap_GainsLossesOnExtinguishmentOfDebt
Decrease in fair value of derivative liabilities (6,886)us-gaap_IncreaseDecreaseInDerivativeLiabilities (474,326)us-gaap_IncreaseDecreaseInDerivativeLiabilities
Amortization of discount on notes payable 882,440us-gaap_OtherDepreciationAndAmortization 151,373us-gaap_OtherDepreciationAndAmortization
Amortization of patents and acquired contracts 415,834us-gaap_AmortizationOfIntangibleAssets 292,815us-gaap_AmortizationOfIntangibleAssets
Stock-based compensation 472,274us-gaap_ShareBasedCompensation 995,731us-gaap_ShareBasedCompensation
Changes in operating assets and liabilities    
Accounts receivable 248,501us-gaap_IncreaseDecreaseInAccountsReceivable 0us-gaap_IncreaseDecreaseInAccountsReceivable
Inventories 130,155us-gaap_IncreaseDecreaseInInventories 0us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other current assets (33,181)invt_IncreaseDecreaseInPrepaidExpenseAndOtherAssets 24,683invt_IncreaseDecreaseInPrepaidExpenseAndOtherAssets
Deferred expenses (96,305)us-gaap_IncreaseDecreaseInDeferredCharges 0us-gaap_IncreaseDecreaseInDeferredCharges
Deposits and other assets 0us-gaap_IncreaseDecreaseInDepositOtherAssets (20,674)us-gaap_IncreaseDecreaseInDepositOtherAssets
Accounts payable 663,097us-gaap_IncreaseDecreaseInAccountsPayable (192,967)us-gaap_IncreaseDecreaseInAccountsPayable
Accrued expenses and other current liabilities 208,014us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities 0us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities
Accrued interest on notes payable 0us-gaap_IncreaseDecreaseInInterestPayableNet 2,287us-gaap_IncreaseDecreaseInInterestPayableNet
Deferred revenue 446,429us-gaap_IncreaseDecreaseInDeferredRevenue 0us-gaap_IncreaseDecreaseInDeferredRevenue
Net cash used in operating activities (1,022,837)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations (2,243,458)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Cash flows from investing activities    
Restricted cash 0us-gaap_IncreaseInRestrictedCash (3,500,000)us-gaap_IncreaseInRestrictedCash
Purchases of property and equipment 0us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (3,748)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Issuance of short-term note receivable, related party 0us-gaap_ProceedsFromShortTermDebt (3,000,000)us-gaap_ProceedsFromShortTermDebt
Net cash used in investing activities 0us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations (6,503,748)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Cash flows from financing activities    
Proceeds from issuance of common stock, net of issuance costs 0us-gaap_ProceedsFromIssuanceOfCommonStock 6,487,850us-gaap_ProceedsFromIssuanceOfCommonStock
Proceeds from issuance of convertible notes payable, net of issuance costs 0us-gaap_ProceedsFromDebtNetOfIssuanceCosts 2,905,128us-gaap_ProceedsFromDebtNetOfIssuanceCosts
Proceeds from issuance of notes payable 1,126,900us-gaap_ProceedsFromNotesPayable 0us-gaap_ProceedsFromNotesPayable
Payments on short-term notes payable, related party 0us-gaap_RepaymentsOfNotesPayable (100,000)us-gaap_RepaymentsOfNotesPayable
Net cash provided by financing activities 1,126,900us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations 9,292,978us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Net increase in cash and cash equivalents 104,063us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease 545,772us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents, beginning of period 1,443,349us-gaap_CashAndCashEquivalentsAtCarryingValue 1,518,684us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents, end of period 1,547,412us-gaap_CashAndCashEquivalentsAtCarryingValue 2,064,456us-gaap_CashAndCashEquivalentsAtCarryingValue
Supplemental disclosures of cash flow information    
Cash paid for interest 146,042us-gaap_InterestPaid 73,805us-gaap_InterestPaid
Cash paid for income taxes 0us-gaap_IncomeTaxesPaid 0us-gaap_IncomeTaxesPaid
Supplemental disclosures of non-cash investing and financing activities    
Accrued guaranteed payments and deferred expenses associated with purchased patent assets 440,783invt_AccruedGuaranteedPaymentsAndDeferredExpensesAssociatedWithPurchasedPatentAssets 390,635invt_AccruedGuaranteedPaymentsAndDeferredExpensesAssociatedWithPurchasedPatentAssets
Offset of short-term related party notes payable and receivable 0invt_OffsetOfShortTermRelatedPartyNotesPayableAndReceivable 3,000,000invt_OffsetOfShortTermRelatedPartyNotesPayableAndReceivable
Transfer of Series A redeemable convertible preferred stock to preferred stock $ 0invt_TransferOfRedeemableConvertiblePreferredStockToPreferredStock $ 3,392,950invt_TransferOfRedeemableConvertiblePreferredStockToPreferredStock