XML 43 R33.htm IDEA: XBRL DOCUMENT
v3.23.2

Note 3 - Related Party Transactions (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Management Fee Payable | $ 1,063 |  | $ 1,063 |  | $ 1,065
Management Fee Expense | 3,207 | $ 2,523 | 6,408 | $ 4,767 |
Incentive Fee Payable | 118 |  | 118 |  | 1,392
Administrative Fees Expense | $ 368 | 374 | 808 | 735 |
Investment Management Agreement [Member] |  |  |  |  |
Base Management Fee, Annual, Percent | 2.00% |  |  |  |
Base Management Fee, Annual, Percent, Gross Assets Exceeding $250 Million | 1.60% |  |  |  |
Management Fee Payable | $ 1,100 |  | 1,100 |  | 1,100
Management Fee Expense | $ 3,200 | 2,500 | 6,400 | 4,800 |
Incentive Fee to Pre-incentive Net Investment Income | 20.00% |  |  |  |
Pre-Incentive Fee Net Investment Income, Hurdle Rate | 1.75% |  |  |  |
Pre-Incentive Fee Net Investment Income, Hurdle Rate, Annualized | 7.00% |  |  |  |
Pre-Incentive Fee Net Investment Income, Catch-up, Percent | 100.00% |  |  |  |
Pre-Incentive Fee Net Investment Income, Maximum Rate to Trigger Catch-up | 2.1875% |  |  |  |
Pre-Incentive Fee Net Investment Income, Maximum Rate to Trigger Catch-up, Annualized | 8.75% |  |  |  |
Incentive Fee Expense | $ 100 | 2,100 | 3,100 | 3,600 |
Incentive Fee Cap and Deferral Mechanism Reduction to Expense | 3,100 |  | 3,300 |  |
Incentive Fee Cap and Deferral Mechanism, Contingent Future Liability | 4,400 |  | 4,400 |  |
Incentive Fee Payable | 100 |  | 100 |  | $ 1,400
Investment Management Agreement [Member] | December 31, 2025 Expiration [Member] |  |  |  |  |
Incentive Fee Cap and Deferral Mechanism, Contingent Future Liability | 1,100 |  | 1,100 |  |
Investment Management Agreement [Member] | March 31, 2026 Expiration [Member] |  |  |  |  |
Incentive Fee Cap and Deferral Mechanism, Contingent Future Liability | 200 |  | 200 |  |
Investment Management Agreement [Member] | June 30, 2026 Expiration [Member] |  |  |  |  |
Incentive Fee Cap and Deferral Mechanism, Contingent Future Liability | 3,100 |  | 3,100 |  |
Administration Agreement [Member] |  |  |  |  |
Administrative Fees Expense | $ 400 | $ 400 | $ 800 | $ 700 |

X
- Definition The annual percentage base management fee. + References No definition available. + Details
Name: | hrzn_BaseManagementFeeAnnualPercent
Namespace Prefix: | hrzn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The annual percentage base management fee for gross assets exceeding $250 million. + References No definition available. + Details
Name: | hrzn_BaseManagementFeeAnnualPercentGrossAssetsExceeding250Million
Namespace Prefix: | hrzn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of contingent future liability from Incentive Fee Cap and Deferral Mechanism. + References No definition available. + Details
Name: | hrzn_IncentiveFeeCapAndDeferralMechanismContingentFutureLiability
Namespace Prefix: | hrzn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of inventive fee cap and deferral mechanism reduction to expense. + References No definition available. + Details
Name: | hrzn_IncentiveFeeCapAndDeferralMechanismReductionToExpense
Namespace Prefix: | hrzn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The incentive fee to pre-incentive net investment income. + References No definition available. + Details
Name: | hrzn_IncentiveFeeToPreincentiveNetInvestmentIncome
Namespace Prefix: | hrzn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percent catch-up for pre-incentive fee net investment income. + References No definition available. + Details
Name: | hrzn_PreincentiveFeeNetInvestmentIncomeCatchupPercent
Namespace Prefix: | hrzn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The hurdle rate for pre-inventive fee net investment income. + References No definition available. + Details
Name: | hrzn_PreincentiveFeeNetInvestmentIncomeHurdleRate
Namespace Prefix: | hrzn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The annualized pre-incentive fee net investment income hurdle rate. + References No definition available. + Details
Name: | hrzn_PreincentiveFeeNetInvestmentIncomeHurdleRateAnnualized
Namespace Prefix: | hrzn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The maximum rate to trigger catch-up for pre-incentive fee net investment income. + References No definition available. + Details
Name: | hrzn_PreincentiveFeeNetInvestmentIncomeMaximumRateToTriggerCatchup
Namespace Prefix: | hrzn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The annualized maximum rate to trigger catch-up for pre-incentive fee net investment income. + References No definition available. + Details
Name: | hrzn_PreincentiveFeeNetInvestmentIncomeMaximumRateToTriggerCatchupAnnualized
Namespace Prefix: | hrzn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expense for administrative fee from service provided, including, but not limited to, salary, rent, or overhead cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483581/946-220-45-3 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483326/850-10-50-1 + Details
Name: | us-gaap_AdministrativeFeesExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expense for incentive fee based on performance under arrangement to manage operations, including, but not limited to, investment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483326/850-10-50-1 + Details
Name: | us-gaap_IncentiveFeeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of fee payable for management of operations based on performance under arrangement, including, but not limited to, investment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(12)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1 + Details
Name: | us-gaap_IncentiveFeePayable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of expense for investment management fee, including, but not limited to, expense in connection with research, selection, supervision, and custody of investment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480167/946-830-55-10 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483581/946-220-45-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483326/850-10-50-1 + Details
Name: | us-gaap_ManagementFeeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of fee payable for management of fund or trust. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(12)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1 + Details
Name: | us-gaap_ManagementFeePayable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=hrzn_InvestmentManagementAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=hrzn_December312025ExpirationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=hrzn_March312026ExpirationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=hrzn_June302026ExpirationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=hrzn_AdministrationAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |