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DISTRIBUTIONS TO COMMON STOCKHOLDERS (Tables) | 12 Months Ended
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Sep. 30, 2025
Equity [Abstract] |
Schedule of Dividends Declared | We paid the following monthly distributions to common stockholders for the years ended September 30, 2025 and 2024:
Fiscal Year |  | Declaration Date |  | Record Date |  | Payment Date |  | Distribution per Common Share(A)
2025 |  | October 8, 2024 |  | October 22, 2024 |  | October 31, 2024 |  | $ | 0.165 |
|  | October 8, 2024 |  | November 20, 2024 |  | November 29, 2024 |  | 0.165 |
|  | November 12, 2024 |  | December 4, 2024 |  | December 18, 2024(B) |  | 0.400 |
|  | October 8, 2024 |  | December 20, 2024 |  | December 31, 2024 |  | 0.165 |
|  | January 14, 2025 |  | January 24, 2025 |  | January 31, 2025 |  | 0.165 |
|  | January 14, 2025 |  | February 19, 2025 |  | February 28, 2025 |  | 0.165 |
|  | January 14, 2025 |  | March 19, 2025 |  | March 31, 2025 |  | 0.165 |
|  | April 8, 2025 |  | April 21, 2025 |  | April 30, 2025 |  | 0.165 |
|  | April 8, 2025 |  | May 21, 2025 |  | May 30, 2025 |  | 0.165 |
|  | April 8, 2025 |  | June 20, 2025 |  | June 30, 2025 |  | 0.165 |
|  | July 10, 2025 |  | July 21, 2025 |  | July 31, 2025 |  | 0.165 |
|  | July 10, 2025 |  | August 20, 2025 |  | August 29, 2025 |  | 0.165 |
|  | September 12, 2025 |  | September 23, 2025 |  | September 29, 2025(B) |  | 0.100 |
|  | July 10, 2025 |  | September 22, 2025 |  | September 30, 2025 |  | 0.165 |
|  | Year Ended September 30, 2025: |  | $ | 2.48 |
2024 |  | October 10, 2023 |  | October 20, 2023 |  | October 31, 2023 |  | $ | 0.165 |
|  | October 10, 2023 |  | November 20, 2023 |  | November 30, 2023 |  | 0.165 |
|  | October 10, 2023 |  | December 18, 2023 |  | December 29, 2023 |  | 0.165 |
|  | January 9, 2024 |  | January 23, 2024 |  | January 31, 2024 |  | 0.165 |
|  | January 9, 2024 |  | February 21, 2024 |  | February 29, 2024 |  | 0.165 |
|  | January 9, 2024 |  | March 21, 2024 |  | March 29, 2024 |  | 0.165 |
|  | April 9, 2024 |  | April 19, 2024 |  | April 30, 2024 |  | 0.165 |
|  | April 9, 2024 |  | May 17, 2024 |  | May 31, 2024 |  | 0.165 |
|  | April 9, 2024 |  | June 19, 2024 |  | June 28, 2024 |  | 0.165 |
|  | July 9, 2024 |  | July 22, 2024 |  | July 31, 2024 |  | 0.165 |
|  | July 9, 2024 |  | August 21, 2024 |  | August 30, 2024 |  | 0.165 |
|  | July 9, 2024 |  | September 20, 2024 |  | September 30, 2024 |  | 0.165 |
|  | Year Ended September 30, 2024: |  | $ | 1.98 |
(A) Per share data has been adjusted on a retroactive basis to reflect the Reverse Stock Split effected on April 4, 2024, as described in Note 2— Summary of Significant Accounting Policies. (B) Represents a supplemental distribution to common stockholders.
Schedule of Components of Net Assets | The components of our net assets on a tax basis were as follows:
| Year Ended September 30,
2025 |  | 2024
Common stock | $ | 45 |  |  | $ | 44 |
Capital in excess of par value | 501,628 |  |  | 492,305 |
Cumulative net unrealized appreciation (depreciation) of investments | (17,490) |  |  | 25,249 |
Undistributed ordinary income | 5,481 |  |  | 6,590 |
Undistributed capital gain | 717 |  |  | — |
Capital loss carryforward | — |  |  | (47,435) |
Other temporary differences | (8,346) |  |  | (5,858) |
Net Assets | $ | 482,035 |  |  | $ | 470,895 |
Schedule of Adjustments for permanent book-tax differences to reflect character | For the years ended September 30, 2025 and 2024, we recorded the following adjustments for permanent book-tax differences to reflect tax character. Results of operations, total net assets, and cash flows were not affected by these adjustments.
| Year Ended September 30,
| 2025 |  | 2024
Undistributed net investment income | $ | (946) |  |  | $ | (1,299) |
Accumulated net realized losses | 1,053 |  |  | 1,310 |
Capital in excess of par value | (107) |  |  | (11) |

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