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Significant Accounting Policies (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2023
Significant Accounting Policies (Details) [Line Items] |  |  |
Cash and cash equivalents | $ 12.2 |  | $ 6.0
PIK Interest | 0.2 | $ 0.2 |
Non-accrual investments at fair value | $ 8.9 |  | $ 6.5
Portfolio percentage at fair value | 4.00% |  | 2.90%
Percentage of investment company taxable income | 90.00% |  |
Federal excise tax percentage | 4.00% |  |
Distributable ordinary income percentage | 98.00% |  |
Capital gain net income percentage | 98.20% |  |
Deferred tax asset, net | $ 22.9 |  | $ 23.1
Valuation allowance | $ 22.9 |  | $ 23.1
Controlled Investment [Member] |  |  |
Significant Accounting Policies (Details) [Line Items] |  |  |
Outstanding voting securities percentage | 25.00% |  |
Affiliated Investments [Member] | Minimum [Member] |  |  |
Significant Accounting Policies (Details) [Line Items] |  |  |
Outstanding voting securities percentage | 5.00% |  |
Affiliated Investments [Member] | Maximum [Member] |  |  |
Significant Accounting Policies (Details) [Line Items] |  |  |
Outstanding voting securities percentage | 25.00% |  |
PIK [Member] |  |  |
Significant Accounting Policies (Details) [Line Items] |  |  |
PIK Interest | $ 0.1 | $ 0.1 |

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