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  <xs:element name="IncreaseInCapitalLeaseObligations" id="tls_IncreaseInCapitalLeaseObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="NetBookValueOfCapitalAsset" id="tls_NetBookValueOfCapitalAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="AnnualRentIncreasePercentage" id="tls_AnnualRentIncreasePercentage" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="WeightedAverageRemainingLeaseTermAbstract" id="tls_WeightedAverageRemainingLeaseTermAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="WeightedAverageDiscountRateAbstract" id="tls_WeightedAverageDiscountRateAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="FinanceLeaseCostsAbstract" id="tls_FinanceLeaseCostsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="FinanceLeaseCost" id="tls_FinanceLeaseCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="SupplementalCashFlowInformationRelatedToLeasesAbstract" id="tls_SupplementalCashFlowInformationRelatedToLeasesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilitiesAbstract" id="tls_CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DividendsPreferredStockAsInterestExpense" id="tls_DividendsPreferredStockAsInterestExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="CashPaidDuringPeriodForAbstract" id="tls_CashPaidDuringPeriodForAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DebtIssuanceCostsAndPrepaymentOfInterestOnSeniorTermLoan" id="tls_DebtIssuanceCostsAndPrepaymentOfInterestOnSeniorTermLoan" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="GainOnRedemptionOfPublicPreferredStock" id="tls_GainOnRedemptionOfPublicPreferredStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="DistributionsToNonControllingInterest" id="tls_DistributionsToNonControllingInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="ProvisionForDoubtfulNonTradeReceivables" id="tls_ProvisionForDoubtfulNonTradeReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="PurchaseOfTelosIDNonControllingInterestsAbstract" id="tls_PurchaseOfTelosIDNonControllingInterestsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PurchaseOfTelosIDNonControllingInterestsTextBlock" id="tls_PurchaseOfTelosIDNonControllingInterestsTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="NumberOfMembersInBoardOfDirector" id="tls_NumberOfMembersInBoardOfDirector" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="NumberOfClassesOfMembershipUnits" id="tls_NumberOfClassesOfMembershipUnits" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="CashConsiderationReceivedOnSaleOfMembershipInterest" id="tls_CashConsiderationReceivedOnSaleOfMembershipInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="PercentageOfProfitAndLossAllocated" id="tls_PercentageOfProfitAndLossAllocated" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="ClassBMembershipUnitMember" id="tls_ClassBMembershipUnitMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ClassMembershipUnitMember" id="tls_ClassMembershipUnitMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="NetBookValueOfAssetsContributed" id="tls_NetBookValueOfAssetsContributed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageOfMembershipInterestSoldToInvestor" id="tls_PercentageOfMembershipInterestSoldToInvestor" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="TelosIdMember" id="tls_TelosIdMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="NumberOfDirectorsEntitledToAppoint" id="tls_NumberOfDirectorsEntitledToAppoint" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="NetBookValueOfAssetsAbstract" id="tls_NetBookValueOfAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="AdditionalPercentageOfOwnershipAcquired" id="tls_AdditionalPercentageOfOwnershipAcquired" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ImpactOfStockIssuanceToAdditionalPaidInCapitalFromBusinessCombination" id="tls_ImpactOfStockIssuanceToAdditionalPaidInCapitalFromBusinessCombination" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="ChangesInNonControllingInterestTableTextBlock" id="tls_ChangesInNonControllingInterestTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="DebtInstrumentMonthlyAccruedInterestRateDuringContinuanceOfAlternateInterestRateEvent" id="tls_DebtInstrumentMonthlyAccruedInterestRateDuringContinuanceOfAlternateInterestRateEvent" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="CommonClassAAndClassBMember" id="tls_CommonClassAAndClassBMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DebtInstrumentIncreaseInInterestRateIncreaseInInterestRateInEventOfDefault" id="tls_DebtInstrumentIncreaseInInterestRateIncreaseInInterestRateInEventOfDefault" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="NumberOfDaysPriorWrittenNotice" id="tls_NumberOfDaysPriorWrittenNotice" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="DebtInstrumentMonthlyAccruedInterestRate" id="tls_DebtInstrumentMonthlyAccruedInterestRate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PercentageOfWarrantsIssuedOfCommonEquityInterests" id="tls_PercentageOfWarrantsIssuedOfCommonEquityInterests" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="TermLoanMember" id="tls_TermLoanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="EnlightenmentCapitalSolutionsFundIILPMember" id="tls_EnlightenmentCapitalSolutionsFundIILPMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DebtInstrumentTransactionCosts" id="tls_DebtInstrumentTransactionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="CreditAgreementMember" id="tls_CreditAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="NumberOfSharesHeldByRelatedParty" id="tls_NumberOfSharesHeldByRelatedParty" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="EmmettWoodMember" id="tls_EmmettWoodMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="EnlightenmentCapitalCreditAgreementAbstract" id="tls_EnlightenmentCapitalCreditAgreementAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PrepaymentPricePercentageOne" id="tls_PrepaymentPricePercentageOne" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="DebtInstrumentAgentFeeAmount" id="tls_DebtInstrumentAgentFeeAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="PrepaymentPricePercentageTwo" id="tls_PrepaymentPricePercentageTwo" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="NumberOfQuarterlyMaturityDateExtensions" id="tls_NumberOfQuarterlyMaturityDateExtensions" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="AmountOfIncreaseDecreaseInQuarterlyExitFeePayable" id="tls_AmountOfIncreaseDecreaseInQuarterlyExitFeePayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="AmendmentFeeAndOutOfPocketCostsAndExpenses" id="tls_AmendmentFeeAndOutOfPocketCostsAndExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="AmountOfIncreaseDecreaseInExitFeePayable" id="tls_AmountOfIncreaseDecreaseInExitFeePayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="NumberOfConsecutiveQuarters" id="tls_NumberOfConsecutiveQuarters" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ScheduleOfAllowanceForDoubtfulAccountsTableTextBlock" id="tls_ScheduleOfAllowanceForDoubtfulAccountsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PercentageOfInitiallyPaymentReceivedFromFactoringOne" id="tls_PercentageOfInitiallyPaymentReceivedFromFactoringOne" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PercentageOfInitiallyPaymentReceivedFromFactoringTwo" id="tls_PercentageOfInitiallyPaymentReceivedFromFactoringTwo" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="StateLocalAndCommercialMember" id="tls_StateLocalAndCommercialMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="MaximumLimitOfReceivablesSold" id="tls_MaximumLimitOfReceivablesSold" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="ReceivablesSoldUnderFactoringAgreement" id="tls_ReceivablesSoldUnderFactoringAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="LossRecognizedInSoldReceivables" id="tls_LossRecognizedInSoldReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="AmountOfRemainingSoldReceivables" id="tls_AmountOfRemainingSoldReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="SupplementalCashFlowInformationRelatedToLeasesTableTextBlock" id="tls_SupplementalCashFlowInformationRelatedToLeasesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="InitialPublicOfferingPolicyTextBlock" id="tls_InitialPublicOfferingPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="GoodwillAmortizationPeriod" id="tls_GoodwillAmortizationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="BusinessAndOrganizationAbstract" id="tls_BusinessAndOrganizationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="RestrictedStockGrantsAbstract" id="tls_RestrictedStockGrantsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PercentageRestrictedStockVestedOnDateOfGrant" id="tls_PercentageRestrictedStockVestedOnDateOfGrant" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PercentageOfRestrictedStockVestOnAnniversaryOfDateOfGrant" id="tls_PercentageOfRestrictedStockVestOnAnniversaryOfDateOfGrant" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="RestrictedStockIssuedAndOutstanding" id="tls_RestrictedStockIssuedAndOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="TeloworksMember" id="tls_TeloworksMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="AllowanceForObsolescentInventoryRollForward" id="tls_AllowanceForObsolescentInventoryRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="AllowanceForInventoryObsolescenceDeductions" id="tls_AllowanceForInventoryObsolescenceDeductions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="ProvisionForInventoryObsolescence" id="tls_ProvisionForInventoryObsolescence" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="CostPlusFixedFeeMember" id="tls_CostPlusFixedFeeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PercentageOfRecurringRevenueToAnnualRevenue" id="tls_PercentageOfRecurringRevenueToAnnualRevenue" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="ExchangeableRedeemablePreferredStockMember" id="tls_ExchangeableRedeemablePreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="RedeemablePreferredStockTextBlock" id="tls_RedeemablePreferredStockTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="SeniorRedeemablePreferredStockAbstract" id="tls_SeniorRedeemablePreferredStockAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="SeniorRedeemablePreferredStockLiabilityRedemptionValue" id="tls_SeniorRedeemablePreferredStockLiabilityRedemptionValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="SeriesA1OnePreferredStockMember" id="tls_SeriesA1OnePreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PreferredStockLiabilitySharesIssuedAndOutstanding" id="tls_PreferredStockLiabilitySharesIssuedAndOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="RedeemablePreferredStockLiquidationValue" id="tls_RedeemablePreferredStockLiquidationValue" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="CumulativeExchangeableRedeemablePreferredStockAbstract" id="tls_CumulativeExchangeableRedeemablePreferredStockAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="NumberOfAnnualTranchesDuringPeriod2005Through2009" id="tls_NumberOfAnnualTranchesDuringPeriod2005Through2009" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PublicPreferredStockAccretionOfRedemptionDiscount" id="tls_PublicPreferredStockAccretionOfRedemptionDiscount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="TwelvePercentCumulativeExchangeableRedeemablePreferredStockMember" id="tls_TwelvePercentCumulativeExchangeableRedeemablePreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="SeriesTwoPreferredStockMember" id="tls_SeriesTwoPreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ExchangeableRedeemablePreferredStockAbstract" id="tls_ExchangeableRedeemablePreferredStockAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ERPSConversionAmountIntoRightToReceiveSharesInConditionOne" id="tls_ERPSConversionAmountIntoRightToReceiveSharesInConditionOne" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="StockIssuedDuringPeriodValueFractionalShares" id="tls_StockIssuedDuringPeriodValueFractionalShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ERPSConversionAmountIntoRightToReceiveCashInConditionTwo" id="tls_ERPSConversionAmountIntoRightToReceiveCashInConditionTwo" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PreferredStockConversionPrice" id="tls_PreferredStockConversionPrice" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ERPSConversionAmountIntoRightToReceiveCashInConditionOne" id="tls_ERPSConversionAmountIntoRightToReceiveCashInConditionOne" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ERPSConversionAmountIntoRightToReceiveSharesInConditionTwo" id="tls_ERPSConversionAmountIntoRightToReceiveSharesInConditionTwo" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PublicPreferredStockClassifiedAsLiability" id="tls_PublicPreferredStockClassifiedAsLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="FairValueBalanceSheetGroupingFinancialStatementCaptionsAbstract" id="tls_FairValueBalanceSheetGroupingFinancialStatementCaptionsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DeferredTaxAssetsInterestLimiitation" id="tls_DeferredTaxAssetsInterestLimiitation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="EffectiveIncomeTaxRateReconciliationDeductionsGainOnRedemptionOfPreferredStock" id="tls_EffectiveIncomeTaxRateReconciliationDeductionsGainOnRedemptionOfPreferredStock" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="DeferredTaxLiabilitiesUnbilledAccountsReceivableDeferredForTaxPurposes" id="tls_DeferredTaxLiabilitiesUnbilledAccountsReceivableDeferredForTaxPurposes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="EffectiveIncomeTaxRateReconciliationCumulativeDeferredAdjustments" id="tls_EffectiveIncomeTaxRateReconciliationCumulativeDeferredAdjustments" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="UnrecognizedTaxBenefitsThatWouldNotImpactEffectiveTaxRate" id="tls_UnrecognizedTaxBenefitsThatWouldNotImpactEffectiveTaxRate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="EffectiveIncomeTaxRateReconciliationSection162MLimitation" id="tls_EffectiveIncomeTaxRateReconciliationSection162MLimitation" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="EffectiveIncomeTaxRateReconciliationCapitalizationOfIPOTransactionCosts" id="tls_EffectiveIncomeTaxRateReconciliationCapitalizationOfIPOTransactionCosts" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="DeferredTaxAssetsTaxDeductibleGoodwill" id="tls_DeferredTaxAssetsTaxDeductibleGoodwill" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="ScheduleOfObsolescentInventoryTableTextBlock" id="tls_ScheduleOfObsolescentInventoryTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="SeriesA2RedeemablePreferredStockMember" id="tls_SeriesA2RedeemablePreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="SeriesA1RedeemablePreferredStockMember" id="tls_SeriesA1RedeemablePreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="RelatedPartyTransactionsCompensationAbstract" id="tls_RelatedPartyTransactionsCompensationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PercentageOfCommonStockHeldByRelatedParties" id="tls_PercentageOfCommonStockHeldByRelatedParties" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="FinancialConditionAndLiquidityAbstract" id="tls_FinancialConditionAndLiquidityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="WorkingCapital" id="tls_WorkingCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="HamotMember" id="tls_HamotMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="Two016OmnibusLongTermIncentivePlanMember" id="tls_Two016OmnibusLongTermIncentivePlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PorterMember" id="tls_PorterMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
</xs:schema>
