Financial Highlights - Schedule of Financial Highlights (Details) - USD ($) |
6 Months Ended | 12 Months Ended | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2025 |
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2021 |
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| Investment Company [Abstract] | ||||||||||||||||||||||||
| Net Asset Value Per Share, Beginning Balance | [1] | $ 5.21 | $ 5.39 | $ 6.09 | $ 6.5 | $ 6.92 | $ 7.79 | |||||||||||||||||
| Net investment income | [1] | 0.22 | 0.13 | 0.46 | 0.65 | 0.62 | 0.65 | |||||||||||||||||
| Net realized and unrealized gains (losses) | [1] | 0.2 | (0.75) | (0.74) | (0.43) | (0.44) | (0.82) | |||||||||||||||||
| Net increase (decrease) in net assets resulting from operations | [1] | 0.42 | (0.62) | (0.28) | 0.22 | 0.18 | (0.17) | |||||||||||||||||
| Dividends from net investment income | [2] | (0.24) | [1] | (0.52) | (0.6) | [1] | (0.63) | [1] | (0.6) | [1] | (0.7) | [1] | ||||||||||||
| Share repurchases | [2] | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| Distributions from net realized gains | [2] | 0 | [1] | 0 | 0 | [1] | 0 | [1] | 0 | [1] | 0 | [1] | ||||||||||||
| Net decrease in net assets resulting from capital transactions | [2] | (0.24) | [1] | (0.52) | (0.6) | [1] | (0.63) | [1] | (0.6) | [1] | (0.7) | [1] | ||||||||||||
| Offering costs | [2] | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| Net Asset Value Per Share, Ending Balance | 5.39 | [1] | 4.25 | [2] | 5.21 | [1] | 6.09 | [1] | 6.5 | [1] | 6.92 | [1] | ||||||||||||
| Market value per share, end of period | $ 3.03 | [1] | $ 2.7 | [2] | $ 3.36 | [1] | $ 3.62 | [1] | $ 4.24 | [1] | $ 5.4 | [1] | ||||||||||||
| Total return based on market value | [3] | (2.12%) | 7.16% | 10.52% | 1.65% | (11.29%) | 80.93% | |||||||||||||||||
| Shares outstanding at end of year | 14,406,244 | 14,432,472 | 14,403,752 | 14,391,775 | 14,385,810 | 13,921,767 | ||||||||||||||||||
| Net assets, at end of period | $ 77,602,130 | $ 61,326,012 | $ 75,010,209 | $ 87,700,308 | $ 93,509,392 | $ 96,355,849 | ||||||||||||||||||
| Ratio of total expenses to average net assets | [4] | 22.03% | 21.66% | 22.29% | 19.58% | 16.15% | 16.93% | |||||||||||||||||
| Ratio of net expenses to average net assets | [4] | 21.70% | 21.18% | 21.83% | 19.15% | 15.67% | 16.58% | |||||||||||||||||
| Ratio of interest expense and fees and amortization of deferred debt issuance costs to average net assets | 10.39% | [4] | 11.24% | [5] | 11.59% | [4] | 10.11% | [4] | 7.33% | [4] | 6.96% | [4] | ||||||||||||
| Ratio of net investment income before fee waiver to average net assets | [4],[6] | 7.72% | 2.13% | 7.86% | 10.03% | 8.53% | 8.24% | |||||||||||||||||
| Ratio of net investment income after fee waiver to average net assets | [4] | 8.05% | 2.60% | 8.32% | 10.46% | 9.02% | 8.58% | |||||||||||||||||
| Total Borrowings | $ 123,500,000 | $ 123,900,000 | $ 108,000,000 | $ 136,900,000 | $ 149,000,000 | $ 167,000,000 | ||||||||||||||||||
| Asset Coverage Ratio | [5] | 1.63% | 1.50% | 1.69% | 1.64% | 1.63% | 1.58% | |||||||||||||||||
| Portfolio Turnover Rate | 12.00% | 16.00% | 31.00% | 22.00% | 58.00% | 35.00% | ||||||||||||||||||
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