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<!-- DFIN New ActiveDisclosure (SM) XBRL Linkbase Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2023-11-08T15:02:34.6862+00:00 -->
<!-- Copyright (c) 2023 Donnelly Financial Solutions, Inc. All Rights Reserved. -->
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentAndDerivativeOperatingBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net unrealized gain (loss) on investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentAndDerivativeOperatingBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrealized appreciation on investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentAndDerivativeOperatingBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Gain (Loss), Investment and Derivative, Operating, before Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CloFundSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">CLO Fund Securities.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CloFundSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CLO Fund Securities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net change in unrealized appreciation on investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Unrealized gain(loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net change in unrealized appreciation (depreciation) on investments</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost/Amortized Cost</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtCost_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate cost of investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments at fair value, amortized cost</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_GarrisonCapitalEquityHoldingsIiLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Garrison Capital Equity Holdings II LLC.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_GarrisonCapitalEquityHoldingsIiLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Garrison Capital Equity Holdings II LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 1 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level I</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BeverageFoodAndTobaccoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Beverage, food and tobacco.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BeverageFoodAndTobaccoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Beverage, Food and Tobacco [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BeverageFoodAndTobaccoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Beverage, Food and Tobacco</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_WeightedAverageMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_WeightedAverageMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_JuniorLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Junior Loans [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_JuniorLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Junior Secured Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueDiscountedCashFlowMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Technique, Discounted Cash Flow [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueDiscountedCashFlowMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discounted Cash Flow</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfQualifyingAssetsToTotalAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of qualifying assets to total assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfQualifyingAssetsToTotalAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Qualifying Assets To Total Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfQualifyingAssetsToTotalAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of qualifying assets to total assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyNonInterestExpenseRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company, non-interest expense ratio.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyNonInterestExpenseRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Non-interest Expense Ratio</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyNonInterestExpenseRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio of non-interest expenses to average net assets (annualized)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SharesReceivedForEachElectingShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shares received for each electing shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SharesReceivedForEachElectingShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Received for Each Electing Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SharesReceivedForEachElectingShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares received for each electing shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CashPaymentDeemedCapitalContributionToShareholders_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash payment deemed capital contribution to shareholders.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CashPaymentDeemedCapitalContributionToShareholders_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash payment deemed capital contribution to shareholders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CashPaymentDeemedCapitalContributionToShareholders_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash payment, (deemed capital contribution)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CashPaymentDeemedCapitalContributionToShareholders_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Additional consideration funded by adviser</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_HighTechIndustriesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">High Tech Industries.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_HighTechIndustriesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">High Tech Industries [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_HighTechIndustriesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">High Tech Industries</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfNetAssetValueAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of net asset value at fair value.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfNetAssetValueAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Net Asset Value At Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfNetAssetValueAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of net asset value at fair value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Redemption Period, End Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument, redemption end date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Business Acquisitions, by Acquisition [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transfers into Level III</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AutomotiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Automotive.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AutomotiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Automotive [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AutomotiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Automotive</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfCapitalGainsFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of capital gains fee.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfCapitalGainsFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of capital gains fee</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Schedule of Recognized Identified Assets Acquired and Liabilities Assumed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRatePaidInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Rate, PIK</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRatePaidInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Interest Rate, Paid in Kind</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Text Block]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyExpenseRatioIncludingIncentiveFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Expense Ratio, after Fee Waiver and Incentive Fee Deduction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyExpenseRatioIncludingIncentiveFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio of total expenses to average net assets (annualized)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DelayedDrawTermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Delayed draw term loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DelayedDrawTermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Delayed Draw Term Loan Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DelayedDrawTermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Delayed Draw Term Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyBookOrTaxDifferencesOnCollateralizedLoanObligationEquityInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company book or tax differences on collateralized loan obligation equity investments.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyBookOrTaxDifferencesOnCollateralizedLoanObligationEquityInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Book/tax differences on CLO equity investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ValuationUnobservableInput_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Range of inputs used in the valuation of level three investments.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ValuationUnobservableInput_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Range of Inputs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TextilesAndLeatherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Textiles and Leather.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TextilesAndLeatherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Textiles and Leather [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TextilesAndLeatherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Textiles and Leather</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ProceedsFromIssuanceOfPrivatePlacementAndOther_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from issuance of Private Placement and other.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ProceedsFromIssuanceOfPrivatePlacementAndOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Private Placement and other</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchased During Period, Shares</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BristolHospiceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Bristol Hospice.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockDividendsPerShareCashPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Dividends, Per Share, Cash Paid</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MediaDiversifiedProductionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Media: Diversified &amp; Production.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MediaDiversifiedProductionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Media: Diversified &amp; Production [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Investments, Fair Value Disclosure, Total</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments, Fair Value Disclosure [Abstract]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JointVentureIndustryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Joint Venture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JointVentureIndustryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Joint Venture Industry [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JointVentureIndustryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Joint venture industry.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AverageRevenueMultipleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average Revenue Multiple</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AverageRevenueMultipleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Average Revenue Multiple [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AverageRevenueMultipleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Average revenue multiple.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentPortfolioPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment portfolio percentage.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentPortfolioPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Portfolio Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentPortfolioPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment portfolio percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total Liabilities and Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Liabilities and Net Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Liabilities and Net Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_HcapNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">HCAP Notes.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_HcapNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">HCAP Notes [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_HcapNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">HCAP Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MeasurementInputRecoveryRateMultipleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Measurement Input, Recovery Rate Multiple [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MeasurementInputRecoveryRateMultipleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Recovery Rate Multiple [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MeasurementInputRecoveryRateMultipleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recovery Rate Multiple</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity Note, Stock Split, Conversion Ratio</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteStockSplitConversionRatio1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reverse stock split</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentIncomeFromInvestmentsInJointVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment income from investments in joint ventures.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentIncomeFromInvestmentsInJointVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income From Investments in Joint Ventures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentIncomeFromInvestmentsInJointVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment income from investments in joint ventures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetNetAccretion_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value, measurement with unobservable inputs reconciliation, recurring basis, asset, net accretion.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetNetAccretion_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Net Accretion</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetNetAccretion_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net accretion</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Effective Date of Acquisition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Date of acquisition closing</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsQuantitativeInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RevolvingLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Revolving loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RevolvingLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revolving Loan Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RevolvingLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revolving Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TransportationCargoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Transportation cargo.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TransportationCargoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transportation Cargo [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TransportationCargoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transportation: Cargo</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FinanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Finance.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FinanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finance [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FinanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfSecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Secured Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfSecuredDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayment of 2018-2 Secured Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyNetAssetsIncreaseDecreaseResultingFromStockholderDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company net assets increase decrease resulting from stockholder distributions.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyNetAssetsIncreaseDecreaseResultingFromStockholderDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Net Assets Increase Decrease Resulting From Stockholder Distributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyNetAssetsIncreaseDecreaseResultingFromStockholderDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net decrease in net assets resulting from stockholder distributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyNetAssetsIncreaseDecreaseResultingFromStockholderDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributions to Stockholders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_StockRepurchaseProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stock repurchase program.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_StockRepurchaseProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchase Program [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_StockRepurchaseProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock Repurchase Program</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableTrade_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accounts Payable, Trade</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableTrade_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (decrease) in payable for unsettled trades</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CloSubordinatedInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">CLO Subordinated Investments.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CloSubordinatedInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CLO Subordinated Investments [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CloSubordinatedInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CLO Subordinated Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RoyaltyInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Royalty interest.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RoyaltyInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Royalty Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RoyaltyInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Royalty interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Long-Term Debt Instruments [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisitions of Garrison Capital Inc. And Harvest Capital Credit Corporation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsForFederalIncomeTaxPurposeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments For Federal Income Tax Purpose [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsForFederalIncomeTaxPurposeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments For Federal Income Tax Purpose [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsForFederalIncomeTaxPurposeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments For Federal Income Tax Purpose</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CriticalNurseStaffingLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Critical Nurse Staffing, LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CriticalNurseStaffingLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Critical Nurse Staffing, LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CriticalNurseStaffingLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Critical Nurse Staffing LLC Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Transactions and Translations Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign Currency Translations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TwoThousandEighteenTwoSecuredNotesClassA1RRNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand eighteen two secured notes class A-1R-R notes.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TwoThousandEighteenTwoSecuredNotesClassA1RRNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand Eighteen Two Secured Notes Class A-1R-R Notes [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TwoThousandEighteenTwoSecuredNotesClassA1RRNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">2018-2 Secured Notes Class A-1R-R Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NonQualifiedAssetsPercentageOfTotalAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non qualified assets percentage of total assets.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NonQualifiedAssetsPercentageOfTotalAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Qualified Assets Percentage of Total Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NonQualifiedAssetsPercentageOfTotalAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non qualified assets percentage of total assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SummaryOfInvestmentHoldingsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Holdings [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SummaryOfInvestmentHoldingsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Investment Holdings [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Borrowings</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeniorLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Senior Loans [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeniorLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior Secured Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AmcpPetHoldingsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">AMCP Pet Holdings, Inc.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AmcpPetHoldingsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">AMCP Pet Holdings Inc Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AmcpPetHoldingsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">AMCP Pet Holdings, Inc.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NumberOfInvesteeCompaniesWhereLoansHeld_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of investee companies where loans held.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NumberOfInvesteeCompaniesWhereLoansHeld_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Investee Companies where Loans Held</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NumberOfInvesteeCompaniesWhereLoansHeld_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of investee companies where loans held</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NumberOfBoardOfDirectors_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of board of directors.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NumberOfBoardOfDirectors_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Board of Directors</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NumberOfBoardOfDirectors_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of board of directors</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NetwrixCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Netwrix Corporation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NetwrixCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Netwrix Corporation.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NetwrixCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Netwrix Corporation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-Term Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentDateOfFirstRequiredPayment1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Date of First Required Payment</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Ordinary Dividends, Common Stock</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AverageMarketValuePerParValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Average market value per par value.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AverageMarketValuePerParValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Average Market Value Per Par Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AverageMarketValuePerParValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average market value per par value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SeniorUnsecuredBondMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Senior unsecured bond.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SeniorUnsecuredBondMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Senior Unsecured Bond [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SeniorUnsecuredBondMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior Unsecured Bond</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_LondonInterbanksOfferedRateLIBORMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">LIBOR</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_LondonInterbanksOfferedRateLIBORMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">London Interbanks Offered Rate L I B O R [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_LondonInterbanksOfferedRateLIBORMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">LIBOR.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid-in Capital [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital in Excess of Par Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PreferredEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Preferred equity.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PreferredEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Equity [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PreferredEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PaymentInKindIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payment-in-kind income.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PaymentInKindIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment-in-kind income [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PaymentInKindIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment-in-kind income:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyOtherBookOrTaxDifferences_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Other Book or Tax Differences</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyOtherBookOrTaxDifferences_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company other book or tax differences.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyOtherBookOrTaxDifferences_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other book/tax differences</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in unrealized gains (losses) included in earnings related to investments still held at reporting date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIssuerAffiliationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Issuer Affiliation [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fiscal two thousand twenty.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fiscal Two Thousand Twenty [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandTwentyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fiscal 2020</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Valuation Techniques and Significant Inputs of Level III Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt instrument, due date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stated Maturity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Long-Term Debt, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cost</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortized Carrying Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_IndustryName_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Industry name.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_IndustryName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Industry Name</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_IndustryName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Industry</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeMaturityDates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Contract End Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeMaturityDates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expiration date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2018-2 Secured Notes (net of discount of: 2023 - $855; 2022 - $1,226)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Secured Debt, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableDateDeclaredDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends Payable, Date Declared</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableDateDeclaredDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Declared date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Notional amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset, Notional Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentAdvisoryExpensesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment advisory expenses.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentAdvisoryExpensesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Advisory Expenses [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentAdvisoryExpensesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_LuminiiLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Luminii LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_LuminiiLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Luminii LLC Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_LuminiiLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Luminii LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Investments [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">REALIZED AND UNREALIZED GAINS (LOSSES) ON INVESTMENTS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MaxorNationalPharmacyServicesLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maxor National Pharmacy Services, LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MaxorNationalPharmacyServicesLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maxor National Pharmacy Services LLC Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MaxorNationalPharmacyServicesLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maxor National Pharmacy Services, LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NonControllingMemberInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non controlling member interest rate.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NonControllingMemberInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Controlling Member Interest Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NonControllingMemberInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non controlling member interest rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Advisory agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Advisory Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Advisory Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossOnDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net change in unrealized appreciation (depreciation) on derivatives</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossOnDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Gain (Loss) on Derivatives</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossOnDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Unrealized gain(loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Other Operating Assets, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Other Operating Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">(Increase) decrease in other assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RelatedPartyTransactionTermsOfTerminateAdministrationAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party transaction, terms of terminate administration agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RelatedPartyTransactionTermsOfTerminateAdministrationAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related party transaction, terms of terminate administration agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandThirteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fiscal two thousand thirteen.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandThirteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fiscal Two Thousand Thirteen [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandThirteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fiscal 2013</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsOwnedAtCostInclusiveOfDerivativeLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments owned at cost inclusive of derivative liability.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsOwnedAtCostInclusiveOfDerivativeLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments Owned At Cost Inclusive Of Derivative Liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsOwnedAtCostInclusiveOfDerivativeLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost/Amortized Cost</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Operating Capital [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in operating assets and liabilities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cash consideration net of cash acquired from mergers</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Debt Issuance Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Debt issuance costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_KegLogisticsLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Keg Logistics LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_KegLogisticsLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Keg Logistics LLC Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_KegLogisticsLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Keg Logistics LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_GlprfLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">GLPRF LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_GlprfLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">GLPRF LLC Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_GlprfLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">GLPRF LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RecoveryRateAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recovery Rate Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RecoveryRateAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recovery Rate Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RecoveryRateAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Recovery Rate Agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedAndNonrelatedPartyStatusAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related and Nonrelated Party Status [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCreditRating_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Credit Rating</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCreditRating_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Rating</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NonQualifyingAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non qualifying assets.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NonQualifyingAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Qualifying Assets [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NonQualifyingAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non Qualifying Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amounts per balance sheet:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedBalancePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Principal</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedBalancePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate principal amount of loans held</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedBalancePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Par/ Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_HealthcarePharmaceuticalsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Healthcare &amp; Pharmaceuticals.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_HealthcarePharmaceuticalsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Healthcare &amp; Pharmaceuticals [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_HealthcarePharmaceuticalsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Healthcare &amp; Pharmaceuticals</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BetaPlusTechnologiesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Beta Plus Technologies, Inc.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BetaPlusTechnologiesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Beta Plus Technologies, Inc.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BetaPlusTechnologiesIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Beta Plus Technologies, Inc [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyRealizedGainsLossesFromExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company, realized gains (losses) from extinguishment of debt.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyRealizedGainsLossesFromExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Realized Gains (Losses) from Extinguishment of Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyRealizedGainsLossesFromExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Realized gains (losses) from extinguishment of debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MetalsMiningMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Metals &amp; Mining.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MetalsMiningMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Metals &amp; Mining [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MetalsMiningMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Metals &amp; Mining</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">NET INVESTMENT INCOME</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net investment income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MeasurementInputAverageEbitdaMultipleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Measurement Input, Average EBITDA Multiple [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MeasurementInputAverageEbitdaMultipleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Average EBITDA Multiple [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MeasurementInputAverageEbitdaMultipleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average EBITDA Multiple</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAffiliatedIssuerControlledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Controlled Affiliated Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAffiliatedIssuerControlledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Affiliated Issuer, Controlled [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentAndDerivativeOperatingAfterTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net change in unrealized appreciation (depreciation) on investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentAndDerivativeOperatingAfterTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Gain (Loss), Investment and Derivative, Operating, after Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt Issuance Costs, Net, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Issuance Costs, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred financing costs, net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Unamortized debt offering costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party, Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Retained Earnings (Accumulated Deficit), Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings (Accumulated Deficit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total distributable (loss) earnings</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CatamaranClo20141LtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Catamaran CLO 2014-1 Ltd.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CatamaranClo20141LtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Catamaran CLO 2014-1 Ltd. [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CatamaranClo20141LtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Catamaran CLO 2014-1 Ltd.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeOperatingAfterExpenseAndTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net investment income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeOperatingAfterExpenseAndTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net realized and unrealized appreciation (depreciation) on investments, net of taxes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeOperatingAfterExpenseAndTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income, Operating, after Expense and Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplemental Cash Flow Information [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplemental Information and non-cash activities:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Distributable (Loss) Earnings</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfAggregateAmountOfInterestPayableForFirstCoverageTest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of aggregate amount of interest payable for first coverage test.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfAggregateAmountOfInterestPayableForFirstCoverageTest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Aggregate Amount of Interest Payable for First Coverage Test</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfAggregateAmountOfInterestPayableForFirstCoverageTest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of aggregate amount of interest payable for first coverage test</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Significant Accounting Policies [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Significant Accounting Policies</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments and Hedging Activities Disclosure [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in Affiliates, Subsidiaries, Associates, and Joint Ventures, Fair Value Disclosure</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate fair value of investments in joint venture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Component [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndOtherAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable and Other Accrued Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndOtherAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts payable, accrued expenses and other liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyCommittedCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Committed Capital</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyCommittedCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase in aggregate commitment to investee</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyCommittedCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate commitment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayment of Revolving Credit Facilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Lines of Credit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ServicesConsumerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Services Consumer.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ServicesConsumerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Services Consumer [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ServicesConsumerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Services: Consumer</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentBasisSpreadVariableRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reference Rate and Spread</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentBasisSpreadVariableRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Basis Spread, Variable Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SubordinatedNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subordinated Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SubordinatedNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subordinated Notes [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SubordinatedNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Subordinated notes.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NonControlledAffiliatedInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non controlled affiliated investments.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NonControlledAffiliatedInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Controlled Affiliated Investments [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NonControlledAffiliatedInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-controlled Affiliated Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueToAffiliatesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Due to Affiliates, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueToAffiliatesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (decrease) in due to affiliates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PayableForUnsettledTrades_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payable for unsettled trades.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PayableForUnsettledTrades_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payable for Unsettled Trades</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PayableForUnsettledTrades_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payable for unsettled trades</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Basis Spread on Variable Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Spread</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares Authorized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, authorized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PutOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Put Option [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PutOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Put Option</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DelayedDrawTermLoan1stLienOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Delayed draw term loan - 1st lien one.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DelayedDrawTermLoan1stLienOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Delayed Draw Term Loan - 1st Lien One [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DelayedDrawTermLoan1stLienOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Delayed Draw Term Loan - First Lien</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BradshawInternationalParentCorpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bradshaw International Parent Corp.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BradshawInternationalParentCorpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Bradshaw International Parent Corp.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BradshawInternationalParentCorpMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Bradshaw International Parent Corp. Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ReinvestmentOfDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reinvestment of distributions.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ReinvestmentOfDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reinvestment of distributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ReinvestmentOfDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reinvestment of distributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Tax Liabilities, Gross, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Liabilities, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Conversion, Converted Instrument, Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtConversionConvertedInstrumentAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument redemption, amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NumberOfDebtInvestmentsOnNonAccrualStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of debt investments on non-accrual status.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NumberOfDebtInvestmentsOnNonAccrualStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Debt Investments On Non-Accrual Status</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NumberOfDebtInvestmentsOnNonAccrualStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of debt investments on non-accrual status</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchaseProgramAuthorizedAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchase Program, Authorized Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchaseProgramAuthorizedAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock repurchase program, authorized amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RelatedPartyTransactionTermsOfTerminateAdvisoryAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related party transaction, terms of terminate advisory agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RelatedPartyTransactionTermsOfTerminateAdvisoryAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party transaction, terms of terminate advisory agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdministrativeFeesExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Administrative Fees Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdministrativeFeesExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Administrative services expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NonRecurringFeeIncomeReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-recurring fee income received</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NonRecurringFeeIncomeReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non-Recurring Fee Income Received</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NonRecurringFeeIncomeReceived_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non-recurring fee income received.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetManagerSubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Asset manager subsidiaries.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetManagerSubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Manager Subsidiaries [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetManagerSubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset Manager Subsidiaries</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ScheduleOfNetIncreaseDecreaseInNetAssetsResultingFromOperationsToTaxableIncomeTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of net increase decrease in net assets resulting from operations to taxable income.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ScheduleOfNetIncreaseDecreaseInNetAssetsResultingFromOperationsToTaxableIncomeTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Net Increase Decrease in Net Assets Resulting From Operations to Taxable Income [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ScheduleOfNetIncreaseDecreaseInNetAssetsResultingFromOperationsToTaxableIncomeTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reconciliation of Net Increase in Net Assets Resulting From Operations to Taxable Income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, par value $0.01 per share, 20,000,000 common shares authorized; 9,938,935 issued, and 9,480,362 outstanding at September 30, 2023, and 9,916,856 issued, and 9,581,536 outstanding at December 31, 2022</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Value, Issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock issued by the Company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Equity Interest Issued or Issuable, Number of Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business acquisition, number of shares issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionToShareholdersPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Distribution to Shareholders, Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionToShareholdersPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net decrease in net assets resulting from distributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionToShareholdersPerShare_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net decrease in net assets resulting from distributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total purchase consideration</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total purchase consideration</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Issuance Costs, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt offering costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ScheduleOfInvestmentPortfolioBySecurityTypeTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of investment portfolio by security type.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ScheduleOfInvestmentPortfolioBySecurityTypeTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Investment Portfolio by Security Type [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ScheduleOfInvestmentPortfolioBySecurityTypeTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Portfolio by Security and Investment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsGrossUnrealizedAppreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Tax Basis, Unrealized Gain</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsGrossUnrealizedAppreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate gross unrealized appreciation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Offering Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt offering costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BetaNxtIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">BetaNXT, Inc.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BetaNxtIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Beta NXT Inc [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BetaNxtIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">BetaNXT, Inc.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DebtInstrumentRedemptionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt instrument redemption amount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DebtInstrumentRedemptionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument Redemption Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DebtInstrumentRedemptionAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument redemption, amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TaWegHoldingsLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">TA/WEG Holdings, LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TaWegHoldingsLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">TA/WEG Holdings, LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TaWegHoldingsLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">TA/WEG Holdings, LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsGrossUnrealizedDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Tax Basis, Unrealized Loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsGrossUnrealizedDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate gross unrealized depreciation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Approach and Technique [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialHighlightsRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Financial Highlights [Roll Forward]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CentricBrandsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Centric Brands Inc.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CentricBrandsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Centric Brands Inc Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CentricBrandsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Centric Brands Inc.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in and Advances to Affiliates [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Investments in Affiliates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAffiliatedIssuerNoncontrolledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-controlled Affiliated Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAffiliatedIssuerNoncontrolledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Affiliated Issuer, Noncontrolled [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueFromAffiliatesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Due from Affiliates, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDueFromAffiliatesCurrent_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">(Increase) decrease in due from affiliates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Face Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate principal amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total Amount Outstanding Exclusive of Treasury Securities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">EXPENSES</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputPrepaymentRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Prepayment Rate [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputPrepaymentRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepayment Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TwoThousandEighteenTwoSecuredNotesClassClassA2RNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand eighteen two secured notes class class A-2-R notes.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TwoThousandEighteenTwoSecuredNotesClassClassA2RNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two thousand eighteen two secured notes class class A-2-R notes [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TwoThousandEighteenTwoSecuredNotesClassClassA2RNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">2018-2 Secured Notes Class A-2-R Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfDebtSecuritiesContainsFloorRates_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of debt securities contains floor rates.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfDebtSecuritiesContainsFloorRates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Debt Securities Contains Floor rates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfDebtSecuritiesContainsFloorRates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of debt securities contains floor rates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AdministrationAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Administration agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AdministrationAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Administration Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AdministrationAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Administration Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments, Gain (Loss) [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ConvertibleDebtUnfundedAmountWithdrawn_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Drew Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ConvertibleDebtUnfundedAmountWithdrawn_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt Unfunded Amount Withdrawn</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ConvertibleDebtUnfundedAmountWithdrawn_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible debt unfunded amount withdrawn.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fiscal two thousand nineteen.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fiscal Two Thousand Nineteen [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fiscal 2019</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Text Block]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyBookOrTaxDifferencesRelatedToMergersAndPartnershipInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company book or tax differences related to mergers and partnership investments.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyBookOrTaxDifferencesRelatedToMergersAndPartnershipInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Book or Tax Differences Related To Mergers and Partnership Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyBookOrTaxDifferencesRelatedToMergersAndPartnershipInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Book/tax differences related to mergers and partnership investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIssuerAffiliationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Issuer Affiliation [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MeasurementInputRecoveryRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Measurement input, recovery rate.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MeasurementInputRecoveryRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Recovery Rate [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MeasurementInputRecoveryRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recovery Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TaxableIncomeBeforeDeductionsForDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Taxable income before deductions for distributions.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TaxableIncomeBeforeDeductionsForDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Taxable Income before Deductions for Distributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TaxableIncomeBeforeDeductionsForDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Taxable income before deductions for distributions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">NET ASSETS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Fair Value, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Fair Value, Ending Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Investments at Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment at fair value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_GarsAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">GARS Acquisition.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_GarsAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">GARS Acquisition [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_GarsAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">GARS Acquisition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DistributionTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distribution Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ConversionOfStockSharesConvertedFromElectingSharesToNonElectingShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Conversion of stock, shares converted from electing shares to non-electing shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ConversionOfStockSharesConvertedFromElectingSharesToNonElectingShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Conversion of Stock, Shares Converted From Electing Shares to Non-Electing Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ConversionOfStockSharesConvertedFromElectingSharesToNonElectingShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of electing shares converted to non-electing shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total commitments under the revolving credit facility</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Increase (Decrease) In Net Assets Resulting from Operations per Common Share:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt, Weighted Average Interest Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average stated interest rate on debt outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Policies [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfSecuritiesOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Sale of Securities, Operating Activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfSecuritiesOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sales and redemptions of investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MarchThirtyFirstTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">March 31, 2023</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MarchThirtyFirstTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">March Thirty First Two Thousand Twenty Three [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MarchThirtyFirstTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">March thirty first two thousand twenty three.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchaseProgramExpirationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchase Program Expiration Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchaseProgramExpirationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Termination date of stock repurchase program</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AnalogicCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Analogic Corporation.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AnalogicCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Analogic Corporation Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AnalogicCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Analogic Corporation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ManagementAndIncentiveFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Management and incentive fee payable.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ManagementAndIncentiveFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Management And Incentive Fee Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ManagementAndIncentiveFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Management and incentive fees payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_WeightedAverageMaturityOnDebtOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Weighted average maturity on debt outstanding.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_WeightedAverageMaturityOnDebtOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted average maturity on debt outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net assets acquired</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net assets acquired</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Effective Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reference Rate and Spread</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Effective interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JmpCreditAdvisorsCloIvLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">JMP Credit Advisors CLO IV Ltd.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JmpCreditAdvisorsCloIvLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">JMP Credit Advisors CLO IV Ltd. [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JmpCreditAdvisorsCloIvLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">JMP Credit Advisors CLO IV Ltd.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnderlyingAssetClassDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Underlying Asset Class [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revolving Credit Facility [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Great Lakes Portman Ridge Funding LLC Revolving Credit Facility</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Revolving Credit Facilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FourPointEightSevenFiveNotesDue2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">4.875% Notes due 2026.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FourPointEightSevenFiveNotesDue2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Four Point Eight Seven Five Notes due 2026 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FourPointEightSevenFiveNotesDue2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">4.875% Notes Due 2026</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net increase (decrease) in net assets from operations, Basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net (decrease) increase in net assets resulting from operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SummaryOfInvestmentHoldingsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Investment Holdings [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeNumberOfInstrumentsHeld_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Derivative, Number of Instruments Held, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeNumberOfInstrumentsHeld_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Number of Instruments Held</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeNumberOfInstrumentsHeld_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">COMMITMENTS AND CONTINGENCIES (NOTE 8)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combinations [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_Dryden30SeniorLoanFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dryden 30 Senior Loan Fund</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_Dryden30SeniorLoanFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dryden 30 Senior Loan Fund [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_Dryden30SeniorLoanFundMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dryden 30 Senior Loan Fund.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_F3CJointVentureOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">F3C Joint venture ownership percentage.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_F3CJointVentureOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">F3C Joint Venture ownership Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_F3CJointVentureOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">F3C Joint venture ownership percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JointVenturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Joint venture.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JointVenturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Joint Ventures [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JointVenturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Joint Ventures</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JointVenturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Joint Venture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party, Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accounts Payable and Accrued Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (decrease) in accounts payable and accrued expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BankingFinanceInsuranceAndRealEstateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Banking Finance Insurance and Real Estate [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BankingFinanceInsuranceAndRealEstateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Banking Finance Insurance and Real Estate [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BankingFinanceInsuranceAndRealEstateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Banking, Finance, Insurance &amp; Real Estate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsInAndAdvancesToAffiliatesAtFairValueTransfersInOutOfAffiliates_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments In And Advances To Affiliates At Fair Value Transfers In Out of Affiliates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsInAndAdvancesToAffiliatesAtFairValueTransfersInOutOfAffiliates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments In And Advances To Affiliates At Fair Value Transfers In Out of Affiliates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsInAndAdvancesToAffiliatesAtFairValueTransfersInOutOfAffiliates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transfers In (Out) of Affiliates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfAggregateOutstandingPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of Aggregate Outstanding Principal Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfAggregateOutstandingPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Aggregate Outstanding Principal Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfAggregateOutstandingPrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of aggregate outstanding principal amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash (used in) provided by operating activities</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSalesPaydownsReturnOfCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales Paydowns Return of Capital</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSalesPaydownsReturnOfCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sales/Paydowns/Return of Capital</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDividendDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Investment Company, Dividend Distribution, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDividendDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Dividend Distribution</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDividendDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributions of ordinary income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDividendDistribution_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Distributions of ordinary income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from offering of notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distribution Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndDividendIncomeOperatingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest and Dividend Income, Operating [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndDividendIncomeOperatingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAttributableToReportingEntityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operations:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAttributableToReportingEntityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AccordionPartnersLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accordion Partners LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AccordionPartnersLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accordion Partners LLC Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AccordionPartnersLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accordion Partners LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyPrivatePlacementAndOtherResultingFromCapitalShareTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company private placement and other resulting from capital share transactions.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyPrivatePlacementAndOtherResultingFromCapitalShareTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Private Placement And Other Resulting From Capital Share Transactions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyPrivatePlacementAndOtherResultingFromCapitalShareTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private placement and other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and Contingencies</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity Note [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_F3CJointVentureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">F3C Joint Venture.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_F3CJointVentureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">F3C Joint Venture [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_F3CJointVentureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">F3C Joint Venture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MediaAdvertisingPrintingPublishingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Media: Advertising, Printing &amp; Publishing.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MediaAdvertisingPrintingPublishingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Media: Advertising, Printing &amp; Publishing [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MediaAdvertisingPrintingPublishingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Media: Advertising, Printing &amp; Publishing</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributableEarningsLossAccumulatedCapitalLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Distributable Earnings (Loss), Accumulated Capital Loss Carryforward</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributableEarningsLossAccumulatedCapitalLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net capital loss carryforward</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareRepurchaseProgramAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Earnings Per Share, Diluted, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net increase (decrease) in net assets from operations, Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ExtinguishmentOfDebtPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Extinguishment of debt.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ExtinguishmentOfDebtPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Extinguishment of Debt [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ExtinguishmentOfDebtPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Extinguishment of Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fiscal two thousand fifteen.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fiscal Two Thousand Fifteen [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandFifteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fiscal 2015</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_EnterpriseValueValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Enterprise Value Valuation Technique [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_EnterpriseValueValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Enterprise Value Valuation Technique [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_EnterpriseValueValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Enterprise Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentUnaffiliatedIssuerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-controlled/Non-affiliated Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentUnaffiliatedIssuerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Unaffiliated Issuer [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SecuritiesSwapAndOptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Securities swap and option agreement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SecuritiesSwapAndOptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Swap and Option Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SecuritiesSwapAndOptionAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Swap and Option Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NetRealizedGainsLossesFromInvestmentTransactionsAndExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net realized gains (losses) from investment transactions and extinguishment of debt.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NetRealizedGainsLossesFromInvestmentTransactionsAndExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Realized Gains (Losses) from Investment Transactions and Extinguishment of Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NetRealizedGainsLossesFromInvestmentTransactionsAndExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized (losses) from investment transactions and extinguishment of debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyNetIncreaseDecreaseInNetAssetsRelatingToStockBasedTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company, net Increase (Decrease) in net assets relating to stock-based transactions.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyNetIncreaseDecreaseInNetAssetsRelatingToStockBasedTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Net Increase (Decrease) in Net Assets Relating to Stock-based Transactions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyNetIncreaseDecreaseInNetAssetsRelatingToStockBasedTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net increase (decrease) in net assets relating to stock-based transactions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyPortfolioTurnoverRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company, portfolio turnover rate.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyPortfolioTurnoverRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Portfolio Turnover Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyPortfolioTurnoverRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Portfolio turnover rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionToShareholdersAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Distribution to Shareholders [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionToShareholdersAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholder distributions:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Name [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DerivativesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Derivatives.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DerivativesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivatives [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DerivativesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivatives</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ScheduleOfInformationAboutSeniorSecuritiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of information about senior securities.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ScheduleOfInformationAboutSeniorSecuritiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Information about Senior Securities [Table text block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ScheduleOfInformationAboutSeniorSecuritiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Information about Senior Securities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ContainersPackagingAndGlassMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Containers, packaging and glass.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ContainersPackagingAndGlassMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Containers, Packaging and Glass [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ContainersPackagingAndGlassMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Containers, Packaging and Glass</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid in Capital, Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital in excess of par value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ConstructionAndBuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Construction and Building [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ConstructionAndBuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Construction and Building [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ConstructionAndBuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Construction &amp; Building</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ElectronicsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Electronics.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ElectronicsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Electronics [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ElectronicsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Electronics</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TaxProvisionBenefitOnRealizedAndUnrealizedGainsLossesOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tax provision (benefit) on realized and unrealized gains (losses) on investments.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TaxProvisionBenefitOnRealizedAndUnrealizedGainsLossesOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax Provision (Benefit) On Realized And Unrealized Gains (Losses) On Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TaxProvisionBenefitOnRealizedAndUnrealizedGainsLossesOnInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Tax (provision) benefit on realized and unrealized gains (losses) on investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TaxProvisionBenefitOnRealizedAndUnrealizedGainsLossesOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax (provision) benefit on realized and unrealized gains (losses) on investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TaxProvisionBenefitOnRealizedAndUnrealizedGainsLossesOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Provision for income taxes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MachineryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Machinery.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MachineryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Machinery [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MachineryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Machinery (Non-Agrclt/Constr/Electr)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments for Repurchase of Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Stock repurchase program</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivatives</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TwoThousandEighteenTwoSecuredNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand eighteen two secured notes.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TwoThousandEighteenTwoSecuredNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand Eighteen Two Secured Notes [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TwoThousandEighteenTwoSecuredNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2018-2 Secured Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchaseProgramPeriodInForce1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchase Program, Period in Force</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchaseProgramPeriodInForce1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Period of stock repurchase program</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonconsolidatedLegalEntityFinancialSupportAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nonconsolidated Legal Entity, Financial Support Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NonconsolidatedLegalEntityFinancialSupportAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount provided to portfolio companies</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfMinimumCommitmentsUtilizationRequirement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of minimum commitments utilization requirement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfMinimumCommitmentsUtilizationRequirement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Minimum Commitments Utilization Requirement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfMinimumCommitmentsUtilizationRequirement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of minimum commitments utilization requirement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DentiveLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dentive, LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DentiveLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dentive, L L C [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DentiveLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dentive, LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Placement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Placement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedAndNonrelatedPartyStatusDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related and Nonrelated Party Status [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputDiscountRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Discount Rate [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputDiscountRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discount Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedGainLossInvestmentAndDerivativeOperatingAfterTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized gains (losses) from investment transactions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedGainLossInvestmentAndDerivativeOperatingAfterTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Realized Gain (Loss), Investment and Derivative, Operating, after Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RetailIndustryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Retail Industry.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RetailIndustryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retail Industry [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RetailIndustryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Retail</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and Cash Equivalents</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments, Gain (Loss) [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JmpCreditAdvisorsCloVLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">JMP Credit Advisors CLO V Ltd.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JmpCreditAdvisorsCloVLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">JMP Credit Advisors CLO V Ltd. [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JmpCreditAdvisorsCloVLtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">JMP Credit Advisors CLO V Ltd.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PaidInKindIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Paid in kind income.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PaidInKindIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Paid In Kind Income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PaidInKindIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total payment-in-kind income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PaidInKindIncome_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net payment-in-kind income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Components [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accounts Receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">(Increase) decrease in receivable for unsettled trades</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_IdcInfusionServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">IDC Infusion Services</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_IdcInfusionServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">IDC Infusion Services [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_IdcInfusionServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">IDC Infusion Services.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments, Debt and Equity Securities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesPurchaseDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business Combination Recognized Identifiable Assets Acquired And Liabilities Purchase Discount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesPurchaseDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Purchase Discount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesPurchaseDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total purchase discount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesPurchaseDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Business Combination Recognized Identifiable Assets Acquired And Liabilities Purchase Discount, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Businesses, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash purchase price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cash consideration to GARS / HCAP shareholders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Date of Acquisition Agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Date of acquisition agreement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CatamaranClo20142LtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Catamaran CLO 2014-2 Ltd.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CatamaranClo20142LtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Catamaran CLO 2014-2 Ltd [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CatamaranClo20142LtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Catamaran CLO 2014-2 Ltd.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CollateralizedLoanObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collateralized Loan Obligations [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CollateralizedLoanObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">CLO Facility</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForPurchaseOfSecuritiesOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments for Purchase of Securities, Operating Activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForPurchaseOfSecuritiesOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchases of investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BusinessAcquisitionAdditionalConsiderationFundedPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business acquisition additional consideration funded per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BusinessAcquisitionAdditionalConsiderationFundedPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition Additional Consideration Funded Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BusinessAcquisitionAdditionalConsiderationFundedPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional consideration funded by adviser</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Cash Flows [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfInvestmentPortfolioValuation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of investment portfolio valuation.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfInvestmentPortfolioValuation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Investment Portfolio Valuation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfInvestmentPortfolioValuation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of investment portfolio valuation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodStartDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Redemption Period, Start Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentRedemptionPeriodStartDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument, redemption start date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation of Financial Statements [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Par or Stated Value Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, par value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_AffiliatedEntityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Affiliated Entity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_AffiliatedEntityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Affiliated Entity [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Stated Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Interest rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ControlledAffiliatedInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Controlled affiliated investments.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ControlledAffiliatedInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Controlled Affiliated Investments [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ControlledAffiliatedInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Controlled Affiliated Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Assets acquired:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputDefaultRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Default Rate [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputDefaultRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Probability of Default</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetManagementCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Asset management company.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetManagementCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Management Company [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetManagementCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Asset Management Company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Liabilities assumed:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued interest payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MediaBroadcastingSubscriptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Media: Broadcasting &amp; Subscription.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MediaBroadcastingSubscriptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Media: Broadcasting &amp; Subscription [member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MediaBroadcastingSubscriptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Media: Broadcasting &amp; Subscription</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesInterestReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business Combination Recognized Identifiable Assets Acquired And Liabilities Interest receivable.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesInterestReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Interest receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesInterestReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Interest receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentIncomePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment income.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentIncomePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income [Policy Text Block]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RelatedPartyTransactionTermsOfRemovalOfAdviser_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Related party transaction, terms of removal of adviser.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RelatedPartyTransactionTermsOfRemovalOfAdviser_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related party transaction, terms of removal of adviser</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Investments [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 3 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level III</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OwnershipDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ownership [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_GarsCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">GARS common stock.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_GarsCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">GARS common stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_GarsCommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">GARS Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">CHANGE IN CASH AND RESTRICTED CASH</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other General and Administrative Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other general and administrative expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ClassATo1RrAndClassATo1TrNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Class A to1RR and class A to1TR notes.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ClassATo1RrAndClassATo1TrNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class A to1RR and Class A to1TR Notes [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ClassATo1RrAndClassATo1TrNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A-1R-R and Class A-1T-R Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ExciseTaxPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Excise tax percentage.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ExciseTaxPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Excise Tax Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ExciseTaxPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Excise tax percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_UnfundedCommitmentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unfunded commitments.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_UnfundedCommitmentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unfunded Commitments [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_UnfundedCommitmentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Outstanding Commitments to Fund Investments in Current Portfolio Companies</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NetRealizedAndUnrealizedAppreciationDepreciationOnInvestmentsNetOfTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net realized and unrealized appreciation (depreciation) on investments, net of taxes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NetRealizedAndUnrealizedAppreciationDepreciationOnInvestmentsNetOfTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Realized And Unrealized Appreciation (Depreciation) On Investments, Net Of Taxes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NetRealizedAndUnrealizedAppreciationDepreciationOnInvestmentsNetOfTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net realized and unrealized appreciation (depreciation) on investments, net of taxes.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">OPERATING ACTIVITIES:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyTaxProvisionBenefitOnRealizedAndUnrealizedGainsLossesOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company, tax (provision) benefit on realized and unrealized gains (losses) on investments.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyTaxProvisionBenefitOnRealizedAndUnrealizedGainsLossesOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Tax (Provision) Benefit on Realized and Unrealized Gains (Losses) on Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyTaxProvisionBenefitOnRealizedAndUnrealizedGainsLossesOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax (provision) benefit on realized and unrealized gains (losses) on investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CloFundSecuritiesIndustryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">CLO Fund Securities Industry.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CloFundSecuritiesIndustryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CLO Fund Securities Industry [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CloFundSecuritiesIndustryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CLO Fund Securities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchases</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt securities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetCoveragePerUnitMeasurePerDollar_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Asset Coverage per Unit measure per dollar.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetCoveragePerUnitMeasurePerDollar_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Coverage per Unit Measure Per Dollar</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetCoveragePerUnitMeasurePerDollar_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset coverage per unit measure per dollar</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialHighlightsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Financial Highlights [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted Average Number of Shares Outstanding, Basic, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Shares of Common Stock Outstanding - Basic</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average number of common and common stock equivalent shares outstanding for basic shares computation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value measurement with unobservable inputs reconciliation recurring basis asset realized gain loss.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Realized Gain Loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total realized gain (loss) included in earnings</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Investment Income (Loss), Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net investment income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitmentsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Commitments [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Financing Activities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FINANCING ACTIVITIES:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Dividend Reinvestment Plan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock issued under dividend reinvestment plan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gain (Loss) on Extinguishment of Debt, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Extinguishment of Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Realized (gains) losses on extinguishments of debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Realized gains (losses) on extinguishments of debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Realized gains (losses) from extinguishments of debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ConsumerGoodsDurableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Consumer goods durable.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ConsumerGoodsDurableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consumer Goods Durable [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ConsumerGoodsDurableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consumer goods: Durable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Related Party Transactions, by Related Party [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TankPartnersEquipmentHoldingsLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tank Partners Equipment Holdings LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TankPartnersEquipmentHoldingsLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tank Partners Equipment Holdings LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TankPartnersEquipmentHoldingsLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tank Partners Equipment Holdings, LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NavigaIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Naviga Inc.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NavigaIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Naviga Inc.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NavigaIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Naviga Inc Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transactions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fiscal two thousand eighteen.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fiscal Two Thousand Eighteen [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandEighteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fiscal 2018</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedGainLossInvestmentAndDerivativeOperatingBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net realized gain (loss) on investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedGainLossInvestmentAndDerivativeOperatingBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Realized Gain (Loss), Investment and Derivative, Operating, before Tax</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Long-Term Debt Instruments [Table Text Block]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt Instrument, Fair Value Disclosure, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Fair Value Disclosure</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of outstanding debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_LineOfCreditFacilityInterestAndFeesExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Line Of Credit Facility interest and fees expense.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_LineOfCreditFacilityInterestAndFeesExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line Of Credit Facility interest and fees expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_LineOfCreditFacilityInterestAndFeesExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Interest and fees expense</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TwoThousandEighteenTwoSecuredNotesClassA1TRNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two thousand eighteen two secured notes Class A-1T-R Notes [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TwoThousandEighteenTwoSecuredNotesClassA1TRNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">2018-2 Secured Notes Class A-1T-R Notes</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationDateOfIncorporation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Company incorporated date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_GreenParkInfrastructureLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Green Park Infrastructure LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_GreenParkInfrastructureLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Green Park Infrastructure LLC [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_GreenParkInfrastructureLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">GreenPark Infrastructure, LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Class [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JuneThirtyTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">June thirty two thousand twenty three.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JuneThirtyTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">June Thirty Two Thousand Twenty Three [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JuneThirtyTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">June 30, 2023</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetManagerAffiliatesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Asset manager affiliates.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetManagerAffiliatesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Manager Affiliates [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetManagerAffiliatesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset Manager Affiliates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SeptemberThirtyTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">September 30, 2023</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SeptemberThirtyTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">September Thirty Two Thousand Twenty Three [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SeptemberThirtyTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">September thirty two thousand twenty three.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCommitmentsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Commitments [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments to reconcile net increase (decrease) in net assets resulting from operations to net cash (used in) provided by in operations:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CatamaranClo20151LtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Catamaran CLO 2015-1 Ltd.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CatamaranClo20151LtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Catamaran CLO 2015-1 Ltd. [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CatamaranClo20151LtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Catamaran CLO 2015-1 Ltd.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueDividendReinvestmentPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Dividend Reinvestment Plan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueDividendReinvestmentPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distribution reinvestment plan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueDividendReinvestmentPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Reinvested Dividends</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyAssetCoverageRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company, asset coverage ratio.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyAssetCoverageRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Asset Coverage Ratio</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyAssetCoverageRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset coverage ratio</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CashConsiderationToShareholders_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash consideration to shareholders.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CashConsiderationToShareholders_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash consideration to shareholders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CashConsiderationToShareholders_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash consideration to GARS / HCAP shareholders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cash and Cash Equivalents, at Carrying Value, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, at Carrying Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRatePaidInCash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Rate, Cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRatePaidInCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Interest Rate, Paid in Cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DerivativesAtCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cost of the assets less the liabilities of a derivative or group of derivatives.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DerivativesAtCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivatives at Cost</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DerivativesAtCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative liabilities, cost</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DerivativesAtCost_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cost/Amortized Cost</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchased During Period, Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock repurchases</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Stock repurchases</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Stock repurchases, value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net realized (gains) losses on investment transactions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net realized gain (loss) on investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized gain (loss) on investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net realized gains (losses) from investment transactions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net realized losses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Net realized losses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accretion (Amortization) of Discounts and Premiums, Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net accretion of investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net accretion of investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_HWLochnerIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">H.W. Lochner, Inc.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_HWLochnerIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">H.W. Lochner, Inc.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_HWLochnerIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">H.W. Lochner Inc [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Examination [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TwoThousandEighteenTwoSubordinatedNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand eighteen two subordinated notes.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TwoThousandEighteenTwoSubordinatedNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two Thousand Eighteen Two Subordinated Notes [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TwoThousandEighteenTwoSubordinatedNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2018-2 Subordinated Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JointVenturesPercentageOfTotalAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Joint ventures percentage of total assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JointVenturesPercentageOfTotalAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Joint Ventures Percentage of Total Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JointVenturesPercentageOfTotalAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Joint ventures percentage of total assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value measurement with unobservable inputs reconciliation recurring basis asset unrealized gain loss.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Unrealized Gain Loss</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in unrealized gain (loss) included in earnings</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CashReceivedUponConversionOfEachElectingShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cash received upon conversion of each electing shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CashReceivedUponConversionOfEachElectingShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Received Upon Conversion Of Each Electing Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CashReceivedUponConversionOfEachElectingShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash received for each electing shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CapitalEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Capital equipment.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CapitalEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Capital Equipment [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CapitalEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital Equipment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyTotalReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Total Return</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyTotalReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total net asset value return</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AnthemSportsAndEntertainmentIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Anthem Sports &amp; Entertainment Inc.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AnthemSportsAndEntertainmentIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Anthem Sports And Entertainment Inc Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AnthemSportsAndEntertainmentIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Anthem Sports &amp; Entertainment Inc.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Debt [Table Text Block]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Professional Fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Professional fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedBalanceShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned, Balance, Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedBalanceShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Par/ Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ServicesBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Services: Business.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ServicesBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Services: Business [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareRepurchaseProgramDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Maturity Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ClassAToRNotesAndBToRNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Class A to R notes and B to R notes.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ClassAToRNotesAndBToRNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class A to R Notes and B to R Notes [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ClassAToRNotesAndBToRNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A-R Notes and B-R Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ClassAToRNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Class A to R notes.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ClassAToRNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class A to R Notes [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ClassAToRNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A-R Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RevolverMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Revolver.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RevolverMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revolver Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RevolverMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revolver</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ConvertibleDebtUnfundedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convertible debt unfunded amount.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ConvertibleDebtUnfundedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convertible Debt Unfunded Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ConvertibleDebtUnfundedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt instrument converted amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OptionIndexedToIssuersEquityTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Option Indexed to Issuer's Equity, Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DelayedDrawTermLoanOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Delayed draw term loan.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DelayedDrawTermLoanOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Delayed Draw Term Loan One Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DelayedDrawTermLoanOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Delayed Draw Term Loan</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossInvestmentIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total investment income</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GrossInvestmentIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gross Investment Income, Operating</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ReverseStockSplitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reverse stock split.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ReverseStockSplitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reverse Stock Split [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ReverseStockSplitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reverse Stock Split</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">4.875% Notes Due 2026 (net of discount of: 2023 - $1,346; 2022 - $1,704; net of deferred financing costs of: 2023 - $628; 2022 - $818)</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Notes Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesByIndustryAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Industry Sector [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PremierImagingLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Premier Imaging, LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PremierImagingLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Premier Imaging, LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Acquiree [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CallOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Call Option [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CallOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Call Option</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HeldToMaturitySecuritiesFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt Securities, Held-to-Maturity, Fair Value, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HeldToMaturitySecuritiesFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Held-to-Maturity, Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HeldToMaturitySecuritiesFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOperatingPaidInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total payment-in-kind income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOperatingPaidInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income, Operating, Paid in Kind</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfPreIncentiveFeeNetInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of pre-incentive fee net investment income.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfPreIncentiveFeeNetInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of pre-incentive fee net investment income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsInAndAdvancesToAffiliatesAtFairValueAdditionsAndReductions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments in and advances to affiliates at fair value additions and reductions.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsInAndAdvancesToAffiliatesAtFairValueAdditionsAndReductions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in and Advances to Affiliates at Fair Value Additions and Reductions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsInAndAdvancesToAffiliatesAtFairValueAdditionsAndReductions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchases/ (sales) of or Advances/ (Distributions)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_VbcSpineOpcoLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">VBC Spine Opco LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_VbcSpineOpcoLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">VBC Spine Opco LLC [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_VbcSpineOpcoLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">VBC Spine Opco LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialCommitmentToInvesteeFutureAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Financial Support to Investee Contractually Required, Not Provided, Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialCommitmentToInvesteeFutureAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unfunded commitment to investee</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialCommitmentToInvesteeFutureAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Unfunded Portfolio Company Commitments, Par Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialSupportToInvesteeContractuallyRequiredAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Financial Support to Investee Contractually Required, Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialSupportToInvesteeContractuallyRequiredAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount provided to portfolio companies contractually obligated</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsInCloFundSecuritiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Investments in CLO Fund Securities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsInCloFundSecuritiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in CLO Fund Securities [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsInCloFundSecuritiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments in CLO Fund Securities [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BookValueOfEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Book value of equity.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BookValueOfEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Book Value of Equity [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BookValueOfEquityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Book Value of Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TelecommunicationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Telecommunications.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TelecommunicationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Telecommunications [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TelecommunicationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Telecommunications</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfAdoptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Basis of Accounting, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of Presentation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RenewedStockRepurchaseProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Renewed stock repurchase program.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RenewedStockRepurchaseProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Renewed Stock Repurchase Program [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RenewedStockRepurchaseProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Renewed Stock Repurchase Program</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementFeeDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Management Fee, Description</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementFeeDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Management fee, description</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Proceeds from Lines of Credit, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Lines of Credit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Borrowings from Revolving Credit Facilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TaxableIncomeBeforeDeductionsForDistributionsPerWeightedAverageBasicAndDilutedSharesForPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Taxable income before deductions for distributions per weighted average basic and diluted shares for period.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TaxableIncomeBeforeDeductionsForDistributionsPerWeightedAverageBasicAndDilutedSharesForPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Taxable Income before Deductions for Distributions per Weighted Average Basic and Diluted Shares for Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TaxableIncomeBeforeDeductionsForDistributionsPerWeightedAverageBasicAndDilutedSharesForPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Taxable income before deductions for distributions per weighted average basic and diluted shares for the period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RecentTransactionValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Recent transaction valuation technique.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RecentTransactionValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recent Transaction Valuation Technique [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RecentTransactionValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recent Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetCoveragePerUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Asset coverage per unit.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetCoveragePerUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Coverage Per Unit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetCoveragePerUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset Coverage per Unit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NumberOfCoverageTest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of coverage test.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NumberOfCoverageTest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Coverage Test</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NumberOfCoverageTest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of coverage tests</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Information Relating to Investments Measured at Fair Value for Company has Used Unobservable Inputs to Determine Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRateFloor_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Floor</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRateFloor_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Interest Rate, Floor</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TransactionOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Transaction Offering Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TransactionOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transaction Offering Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TransactionOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transaction offering costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity File Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Expiration Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Maturity date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Tax Assets, Gross, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Tax Assets, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred tax assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due to affiliates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Liabilities, Total</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel">CASH AND RESTRICTED CASH, END OF PERIOD</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">CASH AND RESTRICTED CASH, BEGINNING OF PERIOD</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">CASH AND RESTRICTED CASH, END OF PERIOD</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Cash and Restricted cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialRatiosAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Financial Ratios [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialRatiosAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio/Supplemental Data:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_EnergyOilAndGasMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Energy Oil and Gas [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_EnergyOilAndGasMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Energy Oil and Gas [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_EnergyOilAndGasMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Energy: Oil &amp; Gas</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JointVentureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Joint Venture [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JointVentureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Joint Venture [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_JointVentureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Joint venture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Assets, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total dividend income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividend Income, Operating</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Dividend Income, Operating, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities assumed</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashDistributionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Distribution [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashDistributionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Distribution</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfAverageDailyUnborrowedPortionOfFinancingCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of average daily unborrowed portion of financing commitments.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfAverageDailyUnborrowedPortionOfFinancingCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Average Daily Unborrowed Portion of Financing Commitments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfAverageDailyUnborrowedPortionOfFinancingCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of average daily unborrowed portion of financing commitments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfOutstandingVotingSecuritiesOwned_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of outstanding voting securities owned.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfOutstandingVotingSecuritiesOwned_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Outstanding Voting Securities Owned</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfOutstandingVotingSecuritiesOwned_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of outstanding voting securities owned</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RevolverOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Revolver.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RevolverOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revolver One [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RevolverOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Revolver</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ChemicalsPlasticsAndRubberMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Chemicals, Plastics and Rubber</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ChemicalsPlasticsAndRubberMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Chemicals, Plastics and Rubber [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ChemicalsPlasticsAndRubberMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Chemicals, Plastics and Rubber [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due from affiliates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Receivables</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net realized gain (loss) from investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Realized Gain/(Loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt and Equity Securities, Realized Gain (Loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt and Equity Securities, Realized Gain (Loss), Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyCapitalShareTransactionsStockIssuedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Capital Share Transactions, Stock Issued [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyCapitalShareTransactionsStockIssuedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital share transactions:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfCashDividendOnDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of cash dividend on distribution</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfCashDividendOnDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Cash Dividend on Distribution</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfCashDividendOnDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of cash dividend on total distribution</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfHurdleRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of hurdle rate.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfHurdleRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of hurdle rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DerivativeExercisePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Derivative exercise price per share.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DerivativeExercisePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Exercise Price Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DerivativeExercisePricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exercise price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromDebtNetOfIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Debt, Net of Issuance Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromDebtNetOfIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from offering of notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized gain (loss) from derivatives</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Sale of Derivatives</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Realized gain(loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Transaction Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Transaction costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyNetAssetsIncreaseDecreaseResultingFromCapitalShareTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company net assets increase decrease resulting from capital share transactions.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyNetAssetsIncreaseDecreaseResultingFromCapitalShareTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Net Assets Increase Decrease Resulting From Capital Share Transactions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyNetAssetsIncreaseDecreaseResultingFromCapitalShareTransactions_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net increase (decrease) in net assets resulting from capital share transactions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandElevenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fiscal two thousand eleven.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandElevenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fiscal Two Thousand Eleven [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandElevenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fiscal 2011</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAcquisitionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial Acquisition Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAcquisitionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Acquisition Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MarblePointCreditManagementLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Marble Point Credit Management LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MarblePointCreditManagementLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Marble Point Credit Management LLC Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MarblePointCreditManagementLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Marble Point Credit Management LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExaminationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Examination [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Earnings (Losses) Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeOperatingTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Tax (provision) benefit on realized and unrealized gains (losses) on investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeOperatingTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income, Operating, Tax Expense (Benefit)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OptionIndexedToIssuersEquityTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Option Indexed to Issuer's Equity, Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeApproachValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation, Income Approach [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeApproachValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Approach</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Restricted Cash, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyInterestExpenseRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company, interest expense ratio.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyInterestExpenseRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Interest Expense Ratio</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyInterestExpenseRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio of interest expense to average net assets (annualized)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DelayedDrawTermLoanFirstLienMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Delayed draw term loan (first lien).</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DelayedDrawTermLoanFirstLienMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Delayed Draw Term Loan First Lien Member</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DelayedDrawTermLoanFirstLienMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Delayed Draw Term Loan - First Lien</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Incentive Fee Expense, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Performance-based incentive fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incentive Fee Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incentive fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities investments.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Investments, at fair value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income, Net [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">INVESTMENT INCOME</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Type [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Fair Value of Amount Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair value of borrowings</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net increase (decrease) in net assets resulting from operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DividendIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Dividend Income.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DividendIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividend Income [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_DividendIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend income:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Frequency of Periodic Payment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt instrument, frequency of periodic payment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 2 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level II</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_EnvironmentalIndustriesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Environmental industries.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_EnvironmentalIndustriesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Environmental Industries [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_EnvironmentalIndustriesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Environmental Industries</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Per share market value at beginning of period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Per share market value at end of period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_HcapAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">HCAP Acquisition [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_HcapAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">HCAP Acquisition [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_HcapAcquisitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">HCAP Acquisition</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding Principal at Par</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Investment Income (Loss) Ratio</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio of net investment income to average net assets (annualized)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfCumulativeRealizedCapitalGains_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of cumulative realized capital gains.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PercentageOfCumulativeRealizedCapitalGains_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of cumulative realized capital gains</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Management Fee Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Management fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Securities [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Securities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fiscal two thousand twenty one.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fiscal Two Thousand Twenty One [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandTwentyOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fiscal 2021</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesIndustryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Industry Sector [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AccountingStandardUpdate201104Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ASC 820</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AccountingStandardUpdate201104Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standard Update 2011 04 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AccountingStandardUpdate201104Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accounting Standard Update 2011-04.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInterestAndDividendsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Interest and Dividends Receivable, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInterestAndDividendsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Interest and Dividends Receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInterestAndDividendsReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">(Increase) decrease in interest and dividends receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInManagementAndIncentiveFeesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Increase (decrease) in management and incentive fees payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInManagementAndIncentiveFeesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Management and Incentive Fees Payable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NumberOfSharesDerivativeInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NumberOfSharesDerivativeInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Shares Derivative Instruments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NumberOfSharesDerivativeInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares derivative instruments.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Investments [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Investments [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TransportationConsumerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Transportation: Consumer.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TransportationConsumerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transportation: Consumer [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TransportationConsumerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transportation: Consumer</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FairValueOfInvestmentsByFairValueHierarchyLevelsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value of investments by fair value hierarchy levels.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FairValueOfInvestmentsByFairValueHierarchyLevelsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value of Investments by Fair Value Hierarchy Levels [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FairValueOfInvestmentsByFairValueHierarchyLevelsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Fair Value of Investments by Fair Value Hierarchy Levels</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandTwelveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fiscal two thousand twelve.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandTwelveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fiscal Two Thousand Twelve [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandTwelveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fiscal 2012</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Debt Issuance Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of debt issuance costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SeriesAGreatLakesFundingIiLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series A-Great Lakes Funding II LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SeriesAGreatLakesFundingIiLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A-Great Lakes Funding II LLC [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SeriesAGreatLakesFundingIiLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A-Great Lakes Funding II LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Great Lakes Portman Ridge Funding LLC Revolving Credit Facility (net of deferred financing costs of: 2023 - $858; 2022 - $1,107)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Long-Term Line of Credit, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Principal amount of borrowings</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CLO par value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted Cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition, Share Price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share value in cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyMarketReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment Company Market Return</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyMarketReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Market Return</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyMarketReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total market return</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BoardOfDirectorsSelectedByFreedom3Opportunities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Board of directors selected by freedom 3 opportunities.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BoardOfDirectorsSelectedByFreedom3Opportunities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Board Of Directors Selected By Freedom 3 Opportunities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BoardOfDirectorsSelectedByFreedom3Opportunities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Directors selected by Freedom 3 Opportunities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeeDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incentive Fee, Description</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeeDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incentive fee, description</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fiscal two thousand fourteen.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fiscal Two Thousand Fourteen [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandFourteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fiscal 2014</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Accretion</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in and Advances to Affiliates, at Fair Value, Gross Additions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fiscal two thousand seventeen.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fiscal Two Thousand Seventeen [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandSeventeenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fiscal 2017</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Interest Expense, Debt, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense, Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest and amortization of debt issuance costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ForestProductsPaperMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Forest Products &amp; Paper.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ForestProductsPaperMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Forest Products &amp; Paper [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ForestProductsPaperMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forest Products &amp; Paper</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FeesAndOtherIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total fees and other income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FeesAndOtherIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fees and other income.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FeesAndOtherIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fees and other income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Common Stock, Shares, Outstanding, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Common Stock, Shares, Outstanding, Ending Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares outstanding at end of period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common stock, outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TwoThousandEighteenTwoSecuredNotesClassClassBRNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Two thousand eighteen two secured notes class Class B-R notes.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TwoThousandEighteenTwoSecuredNotesClassClassBRNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Two thousand eighteen two secured notes class Class B-R Notes [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TwoThousandEighteenTwoSecuredNotesClassClassBRNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">2018-2 Secured Notes Class B-R Notes</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fiscal two thousand sixteen.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fiscal Two Thousand Sixteen [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FiscalTwoThousandSixteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fiscal 2016</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CatamaranClo20181LtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Catamaran CLO 2018-1 Ltd.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CatamaranClo20181LtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Catamaran CLO 2018-1 Ltd [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CatamaranClo20181LtdMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Catamaran CLO 2018-1 Ltd.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NetChangeInUnrealizedAppreciationDepreciationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net change in unrealized appreciation (depreciation).</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NetChangeInUnrealizedAppreciationDepreciationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net change in unrealized appreciation (depreciation) [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NetChangeInUnrealizedAppreciationDepreciationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net change in unrealized appreciation (depreciation) on:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIdentifierAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Identifier [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyNetChangeInUnrealizedDepreciationAppreciationOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net change in unrealized (depreciation) appreciation on investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyNetChangeInUnrealizedDepreciationAppreciationOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company, net change in unrealized (depreciation) appreciation on investments.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentCompanyNetChangeInUnrealizedDepreciationAppreciationOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Net Change in Unrealized (Depreciation) Appreciation on Investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsOwnedAtFairValueInclusiveOfDerivativeLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments owned at fair value inclusive of derivative liability.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsOwnedAtFairValueInclusiveOfDerivativeLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments Owned at Fair Value Inclusive of Derivative Liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_InvestmentsOwnedAtFairValueInclusiveOfDerivativeLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CLOFundSecuritiesPercentageOfTotalAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">C L O fund securities percentage of total assets.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CLOFundSecuritiesPercentageOfTotalAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">C L O Fund Securities Percentage of Total Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_CLOFundSecuritiesPercentageOfTotalAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CLO fund securities percentage of total assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationAndAssetAcquisitionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination and Asset Acquisition [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AverageSettlementValueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average Settlement Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AverageSettlementValueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Average Settlement Value [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AverageSettlementValueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Average Settlement Value.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_OwnershipAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ownership [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SharesReceivedForEachNonElectingShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shares received for each non-electing shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SharesReceivedForEachNonElectingShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Received for Each Non-Electing Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SharesReceivedForEachNonElectingShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares received for each non-electing shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Current Borrowing Capacity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Initial principal amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Interest Rate</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetAssetValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Net asset value, at beginning of period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetAssetValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Asset Value Per Common Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetAssetValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net asset value per common share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetAssetValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Net Asset Value Per Share, Ending Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TleHoldingsLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">TLE Holdings, LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_TleHoldingsLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">TLE Holdings, LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Notional Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Notional amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Notional amounts</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentIssuanceDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Issuance Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentIssuanceDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt instrument, issuance date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnsecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unsecured Debt [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnsecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unsecured Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Cash Provided by (Used in) Financing Activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash (used in) provided by financing activities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest and Fee Income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income, Operating</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Interest Income, Operating, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MeasurementInputAverageEbitdaMultipleWaccMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Measurement Input, Average EBITDA Multiple / WACC [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MeasurementInputAverageEbitdaMultipleWaccMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Average EBITDA Multiple / WACC [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_MeasurementInputAverageEbitdaMultipleWaccMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average EBITDA Multiple / WACC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockholdersEquityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Stockholders Equity [Table Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockholdersEquityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Components of Stockholders' Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AtpOilAndGasCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">ATP Oil and Gas Corporation.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AtpOilAndGasCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ATP Oil and Gas Corporation [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AtpOilAndGasCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ATP Oil &amp; Gas Corporation</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnderlyingAssetClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Underlying Asset Class [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOperatingPaidInCash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total interest income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOperatingPaidInCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income, Operating, Paid in Cash</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeInvestmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income, Investment Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeInvestmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeInvestmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByAssetClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Class [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NetInvestmentIncomePerCommonShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net investment income per common share.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NetInvestmentIncomePerCommonShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Investment Income Per Common Share [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_NetInvestmentIncomePerCommonShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Investment Income Per Common Share:</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BoardOfDirectorsSelectedByCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Board of directors selected by company.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BoardOfDirectorsSelectedByCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Board of Directors Selected by Company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_BoardOfDirectorsSelectedByCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Directors selected by company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetCoverageRequirementPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Asset coverage requirement percentage.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetCoverageRequirementPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Coverage Requirement Percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AssetCoverageRequirementPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset coverage requirement percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest receivable</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Net Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net assets at end of period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total Equity</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SOFR</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends Payable, Date to be Paid</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distribution payable date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OpenOptionContractIdentifierAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Open Option Contract, Identifier [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RealizedGainLossOnInvestmentsAndDebtExtinguishment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net realized losses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RealizedGainLossOnInvestmentsAndDebtExtinguishment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Realized gain (loss) on investments and debt extinguishment.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RealizedGainLossOnInvestmentsAndDebtExtinguishment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Realized Gain Loss on Investments and Debt Extinguishment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RealizedGainLossOnInvestmentsAndDebtExtinguishment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized losses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net increase (decrease) in net assets resulting from operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net increase (decrease) in net assets resulting from operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net change in unrealized appreciation (depreciation) on investments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Change in Unrealized Gain/(Loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt and Equity Securities, Unrealized Gain (Loss)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt and Equity Securities, Unrealized Gain (Loss), Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ReceivableForUnsettledTrades_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Receivable for Unsettled trades.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ReceivableForUnsettledTrades_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receivable for Unsettled Trades</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_ReceivableForUnsettledTrades_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Receivable for unsettled trades</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Derivative Investments</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_SevenPointThreeSevenFivePercentNotesDueTwoThousandNineteenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">7.375% Notes Due 2019</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted Average Shares of Common Stock Outstanding - Diluted</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsUnrealizedAppreciationDepreciationNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Tax Basis, Unrealized Gain (Loss)</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_HotelGamingLeisureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Hotel, Gaming &amp; Leisure.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company [Abstract]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_RevolverTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Revolver.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AerospaceAndDefenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Aerospace and Defense [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_AerospaceAndDefenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aerospace and Defense [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Approach and Technique [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FeesAndOtherIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fees and other income</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FeesAndOtherIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fees And Other Income [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_FeesAndOtherIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fees and other income.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PhyNetDermatologyLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">PhyNet Dermatology LLC.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PhyNetDermatologyLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Phy Net Dermatology LLC [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_PhyNetDermatologyLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PhyNet Dermatology LLC</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_HealthcareEducationAndChildcareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Healthcare, education and childcare.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ptmn_EnergyElectricityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Energy electricity.</link:label>
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