PORTFOLIO INVESTMENTS AND FAIR VALUE - Industry Concentration of Investment Portfolio (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 909,517,889	$ 902,143,550
Fair value of investments	$ 899,678,449	$ 874,460,683
% of Total Investments at fair value	100.00%	100.00%
Services: Business
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 202,749,474	$ 198,018,290
Fair value of investments	$ 213,983,941	$ 207,963,749
% of Total Investments at fair value	23.79%	23.78%
Healthcare & Pharmaceuticals
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 101,386,605	$ 100,724,952
Fair value of investments	$ 101,756,317	$ 102,915,887
% of Total Investments at fair value	11.32%	11.77%
High Tech Industries
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 79,664,820	$ 90,795,799
Fair value of investments	$ 80,852,810	$ 91,992,012
% of Total Investments at fair value	8.99%	10.52%
Media: Advertising, Printing & Publishing
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 72,108,946	$ 57,640,321
Fair value of investments	$ 73,574,049	$ 58,741,061
% of Total Investments at fair value	8.18%	6.72%
Consumer Goods: Non-Durable
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 63,718,753	$ 63,145,301
Fair value of investments	$ 51,305,443	$ 52,938,611
% of Total Investments at fair value	5.70%	6.05%
Beverage, Food, & Tobacco
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 48,771,753	$ 42,554,582
Fair value of investments	$ 52,344,722	$ 45,074,817
% of Total Investments at fair value	5.82%	5.15%
Consumer Goods: Durable
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 48,269,368	$ 49,046,730
Fair value of investments	$ 42,809,175	$ 43,725,324
% of Total Investments at fair value	4.76%	5.00%
Capital Equipment
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 52,138,481	$ 32,517,673
Fair value of investments	$ 53,627,751	$ 33,879,801
% of Total Investments at fair value	5.96%	3.87%
Services: Consumer
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 28,016,420	$ 33,976,976
Fair value of investments	$ 25,404,537	$ 33,260,111
% of Total Investments at fair value	2.82%	3.80%
Construction & Building
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 21,430,125	$ 30,319,119
Fair value of investments	$ 21,540,125	$ 30,486,411
% of Total Investments at fair value	2.39%	3.49%
Aerospace & Defense
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 27,343,433	$ 46,745,104
Fair value of investments	$ 24,668,190	$ 24,541,921
% of Total Investments at fair value	2.74%	2.81%
Environmental Industries
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 27,282,468	$ 24,219,811
Fair value of investments	$ 26,475,138	$ 22,997,844
% of Total Investments at fair value	2.94%	2.63%
Media: Broadcasting & Subscription
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 12,227,156	$ 17,952,103
Fair value of investments	$ 14,248,411	$ 20,760,920
% of Total Investments at fair value	1.58%	2.37%
Transportation & Logistics
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 17,227,934	$ 17,235,150
Fair value of investments	$ 17,521,862	$ 17,661,859
% of Total Investments at fair value	1.95%	2.02%
Chemicals, Plastics, & Rubber
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 22,846,701	$ 18,338,366
Fair value of investments	$ 22,833,761	$ 17,569,176
% of Total Investments at fair value	2.54%	2.01%
Metals & Mining
Investment Holdings 1 [Line Items]
Investments, amortized cost		$ 16,580,562
Fair value of investments		$ 16,625,000
% of Total Investments at fair value		1.90%
Containers, Packaging, & Glass
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 17,416,591	$ 17,432,252
Fair value of investments	$ 16,014,420	$ 15,539,555
% of Total Investments at fair value	1.78%	1.78%
Retail
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 14,853,049
Fair value of investments	$ 14,717,767
% of Total Investments at fair value	1.64%
Utilities: Oil & Gas
Investment Holdings 1 [Line Items]
Investments, amortized cost		$ 9,943,041
Fair value of investments		$ 10,000,000
% of Total Investments at fair value		1.14%
Education
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 10,482,969	$ 10,251,179
Fair value of investments	$ 8,005,290	$ 8,367,469
% of Total Investments at fair value	0.89%	0.96%
FIRE: Real Estate
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 17,934,808	$ 17,285,138
Fair value of investments	$ 7,500,423	$ 6,175,994
% of Total Investments at fair value	0.83%	0.71%
Media: Diversified & Production
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 5,789,604	$ 5,662,174
Fair value of investments	$ 5,883,691	$ 5,763,247
% of Total Investments at fair value	0.65%	0.66%
Finance
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 557,135	$ 569,039
Fair value of investments	$ 7,128,653	$ 5,736,868
% of Total Investments at fair value	0.79%	0.66%
Hotel, Gaming, & Leisure
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 5,925,134
Fair value of investments	$ 6,949,968	$ 890,968
% of Total Investments at fair value	0.77%	0.10%
Energy: Oil & Gas
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 11,376,162	$ 1,189,888
Fair value of investments	$ 10,532,005	$ 852,078
% of Total Investments at fair value	1.17%	0.10%