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Investments - Schedule of Reconciliation of Investments Measured at Fair value on a recurring basis using Level 3 inputs (Details) - USD ($) | 12 Months Ended
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Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2022
Schedule Of Investment Income Reported Amounts By Category [Line Items] |  |  |
Investment Owned, at Fair Value, Beginning Balance | $ 220,111,329 |  |
Purchases (including PIK interest) | 65,395,203 | $ 53,237,881 | $ 145,380,662
Investment sales and repayments | 92,303,435 | 61,928,745 | 153,877,788
Amortization | 2,049,993 | 1,311,770 | 2,662,806
Net realized gains (losses) | (13,971,537) | (26,890,095) | (14,395,431)
Net change in unrealized appreciation (depreciation) | 3,287,977 | 20,696,532 | 8,058,117
Investment Owned, at Fair Value, Ending Balance | $ 184,569,530 | $ 220,111,329 |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Interest Income, Operating, Paid in Kind | Interest Income, Operating, Paid in Kind |
Senior Secured First Lien Debt Investments |  |  |
Schedule Of Investment Income Reported Amounts By Category [Line Items] |  |  |
Investment Owned, at Fair Value, Beginning Balance | $ 196,370,955 |  |
Investment Owned, at Fair Value, Ending Balance | 156,927,316 | $ 196,370,955 |
Equity, Warrants and Other Investments |  |  |
Schedule Of Investment Income Reported Amounts By Category [Line Items] |  |  |
Investment Owned, at Fair Value, Beginning Balance | 23,740,374 |  |
Investment Owned, at Fair Value, Ending Balance | 27,642,214 | 23,740,374 |
Fair Value, Inputs, Level 3 |  |  |
Schedule Of Investment Income Reported Amounts By Category [Line Items] |  |  |
Investment Owned, at Fair Value, Beginning Balance | 220,111,329 | 233,683,986 |
Purchases (including PIK interest) | 65,395,203 | 53,237,881 |
Investment sales and repayments | (92,303,435) | (61,928,745) |
Amortization | 2,049,993 | 1,311,770 |
Net realized gains (losses) | (13,971,537) | (26,890,095) |
Transfers in | 4,362,023 | 1,708,942 |
Transfers out | (4,362,023) | (1,708,942) |
Net change in unrealized appreciation (depreciation) | 3,287,977 | 20,696,532 |
Investment Owned, at Fair Value, Ending Balance | 184,569,530 | 220,111,329 | 233,683,986
Change in unrealized appreciation (depreciation) | (5,401,135) | (6,129,454) |
Fair Value, Inputs, Level 3 | Senior Secured First Lien Debt Investments |  |  |
Schedule Of Investment Income Reported Amounts By Category [Line Items] |  |  |
Investment Owned, at Fair Value, Beginning Balance | 196,370,955 | 214,858,036 |
Purchases (including PIK interest) | 60,523,383 | 51,824,515 |
Investment sales and repayments | (92,303,435) | (61,928,745) |
Amortization | 2,049,993 | 1,311,770 |
Net realized gains (losses) | (13,909,425) | (9,515,487) |
Transfers in | 0 | 0 |
Transfers out | (4,362,023) | (1,708,942) |
Net change in unrealized appreciation (depreciation) | 8,557,868 | 1,529,808 |
Investment Owned, at Fair Value, Ending Balance | 156,927,316 | 196,370,955 | 214,858,036
Change in unrealized appreciation (depreciation) | (69,131) | (7,507,021) |
Fair Value, Inputs, Level 3 | Senior Secured Second Lien Debt Investments |  |  |
Schedule Of Investment Income Reported Amounts By Category [Line Items] |  |  |
Investment Owned, at Fair Value, Beginning Balance | 0 | 0 |
Purchases (including PIK interest) | 0 | 0 |
Investment sales and repayments | 0 | 0 |
Amortization | 0 | 0 |
Net realized gains (losses) | 0 | (17,374,608) |
Transfers in | 0 | 0 |
Transfers out | 0 | 0 |
Net change in unrealized appreciation (depreciation) | 0 | 17,374,608 |
Investment Owned, at Fair Value, Ending Balance | 0 | 0 | 0
Change in unrealized appreciation (depreciation) | 0 | 0 |
Fair Value, Inputs, Level 3 | Unsecured Debt Investments |  |  |
Schedule Of Investment Income Reported Amounts By Category [Line Items] |  |  |
Investment Owned, at Fair Value, Beginning Balance | 0 | 0 |
Purchases (including PIK interest) | 0 | 0 |
Investment sales and repayments | 0 | 0 |
Amortization | 0 | 0 |
Net realized gains (losses) | 0 | 0 |
Transfers in | 0 | 0 |
Transfers out | 0 | 0 |
Net change in unrealized appreciation (depreciation) | 0 | 0 |
Investment Owned, at Fair Value, Ending Balance | 0 | 0 | 0
Change in unrealized appreciation (depreciation) | 0 | 0 |
Fair Value, Inputs, Level 3 | Equity, Warrants and Other Investments |  |  |
Schedule Of Investment Income Reported Amounts By Category [Line Items] |  |  |
Investment Owned, at Fair Value, Beginning Balance | 23,740,374 | 18,825,950 |
Purchases (including PIK interest) | 4,871,820 | 1,413,366 |
Investment sales and repayments | 0 | 0 |
Amortization | 0 | 0 |
Net realized gains (losses) | (62,112) | 0 |
Transfers in | 4,362,023 | 1,708,942 |
Transfers out | 0 | 0 |
Net change in unrealized appreciation (depreciation) | (5,269,891) | 1,792,116 |
Investment Owned, at Fair Value, Ending Balance | 27,642,214 | 23,740,374 | $ 18,825,950
Change in unrealized appreciation (depreciation) | $ (5,332,004) | $ 1,377,567 |

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