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Consolidated Statements of Changes in Net Assets (Unaudited) - USD ($) | 3 Months Ended | 6 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Statement Of Stockholders Equity [Abstract] |  |  |  |
Net assets at beginning of period | $ 93,013,620 | $ 100,670,124 | $ 93,509,392 | $ 96,355,849
Net increase (decrease) in net assets resulting from operations: |  |  |  |
Net investment income | 2,348,699 | 2,102,527 | 4,684,803 | 4,630,367
Net realized gain (loss) from investments | 0 | (8,545,020) | 0 | (7,783,557)
Net change in unrealized appreciation (depreciation) on investments | (1,731,840) | 9,892,392 | (2,410,437) | 9,889,537
Net increase (decrease) in net assets resulting from operations | 616,859 | 3,449,899 | 2,274,366 | 6,736,347
Stockholder distributions: |  |  |  |
Distributions from net investment income | (2,158,268) | (2,157,627) | (4,316,310) | (4,315,128)
Distributions from capital gains | 0 | 0 | 0 | 0
Net decrease in net assets resulting from stockholder distributions | (2,158,268) | (2,157,627) | (4,316,310) | (4,315,128)
Capital transactions: |  |  |  |
Issuance of common shares | 0 | 0 | 0 | 3,141,576
Reinvestments of stockholder distributions | 5,424 | 4,346 | 10,187 | 48,098
Net increase (decrease) in net assets resulting from capital transactions |  | 4,346 | 10,187 | 3,189,674
Net increase (decrease) in net assets | (1,535,985) | 1,296,618 | (2,031,757) | 5,610,893
Net Assets, Ending Balance | $ 91,477,635 | $ 101,966,742 | $ 91,477,635 | $ 101,966,742

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