Earnings Per Share - Schedule of Weighted Average Basic and Diluted Net Increase/(Decrease) in Net Assets (Details) - USD ($)	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Basic and diluted:
Net increase (decrease) in net assets resulting from operations	$ 4,155,515	$ 18,619,122	$ 26,918,340
Weighted average shares of common stock outstanding - basic	2,015,157	2,040,253	2,092,326
Weighted average shares of common stock outstanding - diluted	2,015,157	2,040,253	2,092,326
Earnings (loss) per share of common stock - basic	$ 2.06	$ 9.13	$ 12.87
Earnings (loss) per share of common stock - diluted	$ 2.06	$ 9.13	$ 12.87