Annual report [Section 13 and 15(d), not S-K Item 405]

Stockholders' Equity (Net Assets) - Schedule of Changes in Equity Accounts (Details)

Stockholders' Equity (Net Assets) - Schedule of Changes in Equity Accounts (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Class of Stock [Line Items]
Net assets at beginning of year				$ 65,332,520				$ 60,815,213	$ 65,332,520	$ 60,815,213	$ 57,721,320
Dividend declaration									(5,109,447)	(4,310,305)
Net (decrease) increase in net assets resulting from operations	$ 1,086,281	$ (2,231,194)	$ (7,736,154)	841,447	$ (2,946,058)	$ 2,636,516	$ 7,737,773	1,399,381	(8,039,620)	8,827,612	6,526,650
Net assets at end of year	52,183,453				65,332,520				52,183,453	65,332,520	60,815,213
Common Stock
Class of Stock [Line Items]
Net assets at beginning of year				264,892				264,892	264,892	264,892
Dividend declaration									38,879
Net assets at end of year	303,771				264,892				303,771	264,892	264,892
Capital in Excess of Par Value
Class of Stock [Line Items]
Net assets at beginning of year				55,419,620				55,801,170	55,419,620	55,801,170
Dividend declaration									8,631,884
Tax reclassification of stockholders' equity									11,653	(381,550)
Net assets at end of year	64,063,157				55,419,620				64,063,157	55,419,620	55,801,170
Stock Dividends Distributable
Class of Stock [Line Items]
Net assets at beginning of year				8,672,231					8,672,231
Dividend declaration									(8,672,231)	8,672,231
Net assets at end of year					8,672,231					8,672,231
Treasury Stock, at cost
Class of Stock [Line Items]
Net assets at beginning of year				(1,566,605)				(1,566,605)	(1,566,605)	(1,566,605)
Net assets at end of year	(1,566,605)				(1,566,605)				(1,566,605)	(1,566,605)	(1,566,605)
Total Distributable Earnings (Losses)
Class of Stock [Line Items]
Net assets at beginning of year				$ 2,542,382				$ 6,315,756	2,542,382	6,315,756
Dividend declaration									(5,107,979)	(12,982,536)
Tax reclassification of stockholders' equity									(11,653)	381,550
Net (decrease) increase in net assets resulting from operations									(8,039,620)	8,827,612
Net assets at end of year	$ (10,616,870)				$ 2,542,382				$ (10,616,870)	$ 2,542,382	$ 6,315,756