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Agreements and Related Party Transactions- Additional Information (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 26, 2019
Related Party Transaction [Line Items] |  |  |  |
Base management fees | $ 4,201,394 | $ 4,594,588 | $ 4,716,233 |
Base management fees payable | 906,218 | 1,054,063 |  |
Incurred costs | 966,045 | 1,247,205 | 1,397,069 |
Income-based incentive fees payable | $ 576,023 | 182,095 |  |
Advisory Agreement |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Annual rate | 1.75% |  |  |
Base management fees | $ 4,201,394 | 4,594,588 | 4,716,233 |
Management fee expense voluntarily waived | 387,311 | 480,032 | 366,951 |
Base management fees payable | $ 906,218 | 1,054,063 | 1,070,580 |
Deferral non cash amount percentage | 20.00% |  |  |
Annualized rate of return | 10.00% |  |  |
Pre investment fee hurdle rate | 2.00% |  |  |
Pre investment fee net investment income | 100.00% |  |  |
Pre-incentive fee net investment income | 20.00% |  |  |
Income based fee | $ 401,597 |  | 0 |
Cumulative net increase | 20.00% |  |  |
Deferred income based fees written off | $ 2.5 | 348,670 | 647,885 |
Income based fee from deferred interest | 201,817 | 182,095 |  |
Additional income based fees | $ 2.5 |  |  |
Percentage of cumulative aggregate capital gains | 20.00% |  |  |
Capital gain fees | $ 0 | 0 | 0 |
Adviser Interest | 17.00% |  |  |
Ownership Interest In Adviser | 83.00% |  |  |
Income-based incentive fees payable | $ 576,023 |  |  |
Advisory Agreement | Minimum |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Net asset attributable to common stock | 2.00% |  |  |
Advisory Agreement | Maximum |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Annualized rate of return | 8.00% |  |  |
Administration Agreement |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Accrued expenses and other liabilities | $ 0 | $ 0 | $ 0 |
Stock Purchase Agreement |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Newly issued shares of common stock |  |  |  | 680,985
Open market or secondary transactions shares of common stock |  |  |  | 680,985

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