Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2023

Accounting Policies [Abstract]

Concentrations of Portfolio Company Values Compared to the Fair Value of the Corporation's Total Investment Portfolio

The following are the concentrations of the top five portfolio company values compared to the fair value of the Corporation’s total investment portfolio:

	March 31, 2023
Tilson Technology Management, Inc. (Tilson)		15	%
Seybert’s Billiards Corporation (Seybert’s)		9	%
SciAps, Inc. (Sciaps)		8	%
ITA Acquisition, LLC (ITA)		8	%
DSD Operating, LLC (DSD)		7	%

	December 31, 2022
Tilson		17	%
Seybert's		10	%
Sciaps		8	%
DSD		8	%
Caitec, Inc. (Caitec)		6	%