Significant Accounting Policies (Details 1) - USD ($)	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023
Fair value beginning balance			$ 40,853,000				$ 40,853,000
Purchases of portfolio securities							2,247,000	$ 2,400,000
Fair value ending balance	$ 37,500,000						37,500,000
Control Investments [Member]
Fair value beginning balance			40,853,000				40,853,000
Fair value ending balance	37,500,000						37,500,000
Level 3 [Member]
Fair value beginning balance	46,500,000	$ 41,750	40,853,000	$ 23,200,000	$ 15,650,000	$ 15,650,000	40,853,000	15,650,000
Purchases of portfolio securities			2,247,000	1,650,000	750,000	0
Change in unrealized appreciation	(9,000,000)	4,750,000	(1,350,000)	8,200,000	6,800,000	0
Fair value ending balance	37,500,000	46,500,000	41,750	33,050,000	23,200,000	15,650,000	37,500,000	33,050,000
Level 3 [Member] | Non-affiliate Investments [Member]
Fair value beginning balance	0	0	0	0	0	0	0	0
Purchases of portfolio securities			0			0
Change in unrealized appreciation		0	0		0	0
Fair value ending balance		0	0		0	0
Level 3 [Member] | Affiliate Investments [Member]
Fair value beginning balance	0	0	0	0	0	0	0	0
Purchases of portfolio securities			0	0		0
Change in unrealized appreciation	0	0	0		0	0
Fair value ending balance	0	0	0		0	0	0
Level 3 [Member] | Control Investments [Member]
Fair value beginning balance	46,500,000	41,750,000	40,853,000	23,200,000	15,650,000	15,650	40,853,000	15,650
Purchases of portfolio securities			2,247,000	1,650,000	750,000	0
Change in unrealized appreciation	(9,000,000)	4,750,000	(1,350,000)	8,200,000	6,800,000	0
Fair value ending balance	$ 37,500,000	$ 46,500,000	$ 41,750,000	$ 33,050,000	$ 23,200,000	$ 15,650,000	$ 37,500,000	$ 33,050,000