Significant Accounting Policies (Details 1) - USD ($)	3 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023
Fair value beginning balance		$ 85,808,000
Fair value ending balance	$ 100,444,000
Level 3 [Member]
Fair value beginning balance	41,750	40,853,000	$ 15,650,000	$ 15,650,000
Purchases of portfolio securities		2,247,000	750,000
Change in unrealized appreciation	4,750,000	(1,350,000)	6,800,000	0
Fair value ending balance	46,500,000	41,750	23,200,000	15,650,000
Level 3 [Member]
Fair value beginning balance		40,853,000
Fair value ending balance	46,500,000
Control Investments [Member]
Fair value beginning balance		40,853,000
Fair value ending balance	46,500,000
Control Investments [Member] | Level 3 [Member]
Fair value beginning balance	41,750,000	40,853,000	15,650,000	15,650
Purchases of portfolio securities		2,247,000	750,000
Change in unrealized appreciation	4,750,000	(1,350,000)	6,800,000	0
Fair value ending balance	46,500,000	41,750,000	23,200,000	15,650,000
Non-affiliate Investments [Member]
Fair value beginning balance	0	0	0	0
Purchases of portfolio securities		0
Change in unrealized appreciation		0	0	0
Fair value ending balance		0	0	0
Affiliate Investments [Member]
Fair value beginning balance	0	0	0	0
Purchases of portfolio securities		0
Change in unrealized appreciation	0	0	0	0
Fair value ending balance	$ 0	$ 0	$ 0	$ 0