PORTFOLIO INVESTMENTS AND FAIR VALUE - Industry Concentration of Investment Portfolio (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 961,788,706	$ 902,143,550
Fair value of investments	$ 953,497,688	$ 874,460,683
% of Total Investments at fair value	100.00%	100.00%
Services: Business
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 219,665,133	$ 198,018,290
Fair value of investments	$ 234,908,112	$ 207,963,749
% of Total Investments at fair value	24.64%	23.78%
High Tech Industries
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 91,135,577	$ 90,795,799
Fair value of investments	$ 93,468,792	$ 91,992,012
% of Total Investments at fair value	9.81%	10.52%
Healthcare & Pharmaceuticals
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 85,300,317	$ 100,724,952
Fair value of investments	$ 85,478,418	$ 102,915,887
% of Total Investments at fair value	8.97%	11.77%
Media: Advertising, Printing & Publishing
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 71,318,416	$ 57,640,321
Fair value of investments	$ 72,291,584	$ 58,741,061
% of Total Investments at fair value	7.58%	6.72%
Beverage & Food
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 64,052,951
Fair value of investments	$ 68,902,142
% of Total Investments at fair value	7.23%
Consumer Goods: Non-Durable
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 67,123,135	$ 63,145,301
Fair value of investments	$ 54,473,282	$ 52,938,611
% of Total Investments at fair value	5.71%	6.05%
Beverage, Food, & Tobacco
Investment Holdings 1 [Line Items]
Investments, amortized cost		$ 42,554,582
Fair value of investments		$ 45,074,817
% of Total Investments at fair value		5.15%
Services: Consumer
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 49,388,222	$ 33,976,976
Fair value of investments	$ 46,066,301	$ 33,260,111
% of Total Investments at fair value	4.83%	3.80%
Capital Equipment
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 41,322,214	$ 32,517,673
Fair value of investments	$ 43,647,466	$ 33,879,801
% of Total Investments at fair value	4.58%	3.87%
Consumer Goods: Durable
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 43,393,413	$ 49,046,730
Fair value of investments	$ 42,094,390	$ 43,725,324
% of Total Investments at fair value	4.41%	5.00%
Chemicals, Plastics, & Rubber
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 36,693,101	$ 18,338,366
Fair value of investments	$ 36,907,602	$ 17,569,176
% of Total Investments at fair value	3.87%	2.01%
Construction & Building
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 32,374,992	$ 30,319,119
Fair value of investments	$ 32,979,859	$ 30,486,411
% of Total Investments at fair value	3.46%	3.49%
Aerospace & Defense
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 26,014,106	$ 46,745,104
Fair value of investments	$ 21,624,091	$ 24,541,921
% of Total Investments at fair value	2.27%	2.81%
Environmental Industries
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 18,903,681	$ 24,219,811
Fair value of investments	$ 18,282,056	$ 22,997,844
% of Total Investments at fair value	1.92%	2.63%
Transportation & Logistics
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 17,244,131	$ 17,235,150
Fair value of investments	$ 17,532,488	$ 17,661,859
% of Total Investments at fair value	1.84%	2.02%
Retail
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 14,799,085
Fair value of investments	$ 14,723,620
% of Total Investments at fair value	1.54%
Media: Broadcasting & Subscription
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 12,170,577	$ 17,952,103
Fair value of investments	$ 14,314,711	$ 20,760,920
% of Total Investments at fair value	1.50%	2.37%
Containers, Packaging, & Glass
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 18,007,571	$ 17,432,252
Fair value of investments	$ 12,911,794	$ 15,539,555
% of Total Investments at fair value	1.35%	1.78%
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%
Energy: Oil & Gas
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 11,353,959	$ 1,189,888
Fair value of investments	$ 10,728,031	$ 852,078
% of Total Investments at fair value	1.13%	0.10%
Hotel, Gaming, & Leisure
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 7,113,661
Fair value of investments	$ 8,142,050	$ 890,968
% of Total Investments at fair value	0.85%	0.10%
FIRE: Real Estate
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 17,934,808	$ 17,285,138
Fair value of investments	$ 7,652,436	$ 6,175,994
% of Total Investments at fair value	0.80%	0.71%
Media: Diversified & Production
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 5,822,637	$ 5,662,174
Fair value of investments	$ 5,934,853	$ 5,763,247
% of Total Investments at fair value	0.62%	0.66%
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%
Education
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 10,537,738	$ 10,251,179
Fair value of investments	$ 5,341,151	$ 8,367,469
% of Total Investments at fair value	0.56%	0.96%
Finance
Investment Holdings 1 [Line Items]
Investments, amortized cost	$ 119,281	$ 569,039
Fair value of investments	$ 5,092,459	$ 5,736,868
% of Total Investments at fair value	0.53%	0.66%