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Financial Highlights (Details) - USD ($) | 12 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2019
Investment Company, Financial Highlights [Abstract] |  |  |  |  |
Weighted average common stock per share | $ 3.11 | $ 1.48 | $ 6.92 | $ (3.35) | $ (7.66)
Asset coverage of indebtedness (in Dollars) | $ 1,000 |  |  |  |
Asset coverage percentage | 270.70% |  |  |  |
Leverage of asset coverage | 200.00% |  |  |  |

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- Definition The weighted average common stock per share. + References No definition available. + Details
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- Definition Percentage of total assets less all liabilities and indebtedness not represented by senior security, to senior security representing indebtedness. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Investment Company Act of 1940 -Section 61 -Paragraph a -Subparagraph (1) -Publisher SEC + Details
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- Definition Percentage of total assets less all liabilities and indebtedness not represented by senior security to senior security representing indebtedness and involuntary liquidation preference of stock. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Investment Company Act of 1940 -Section 61 -Paragraph a -Subparagraph (2) -Publisher SEC + Details
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