Investments (Details) - USD ($)	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Investments [Line Items]
Total fair value of warrants	$ 815,500	$ 82,700
Total unrealized depreciation	10,727,490	5,705,864	$ 31,941,213
Warrant [Member]
Investments [Line Items]
Total unrealized depreciation	$ 46,500	$ 123,700	$ 143,900