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CONSOLIDATED STATEMENTS OF CHANGES IN NET ASSETS (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Statement of Stockholders' Equity [Abstract] |  |  |  |
Restricted stock and option expense related to director compensation | $ 31 | $ 36 | $ 81 | $ 113

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