PORTFOLIO INVESTMENTS AND FAIR VALUE - Industry Concentration of Investment Portfolio (Details) - USD ($)	Dec. 31, 2025	Dec. 31, 2024
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 1,026,139,686	$ 961,788,706
Fair value of investments	$ 1,007,623,395	$ 953,497,688
% of Total Investments at fair value	100.00%	100.00%
Services: Business
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 265,116,204	$ 219,665,133
Fair value of investments	$ 266,803,107	$ 234,908,112
% of Total Investments at fair value	26.48%	24.64%
High Tech Industries
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 103,212,518	$ 91,135,577
Fair value of investments	$ 106,937,496	$ 93,468,792
% of Total Investments at fair value	10.61%	9.81%
Healthcare & Pharmaceuticals
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 92,736,458	$ 85,300,317
Fair value of investments	$ 92,182,392	$ 85,478,418
% of Total Investments at fair value	9.15%	8.97%
Media: Advertising, Printing & Publishing
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 78,965,841	$ 71,318,416
Fair value of investments	$ 79,030,004	$ 72,291,584
% of Total Investments at fair value	7.84%	7.58%
Capital Equipment
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 61,644,736	$ 41,322,214
Fair value of investments	$ 65,191,527	$ 43,647,466
% of Total Investments at fair value	6.47%	4.58%
Beverage & Food
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 54,323,129	$ 64,052,951
Fair value of investments	$ 58,129,551	$ 68,902,142
% of Total Investments at fair value	5.77%	7.23%
Consumer Goods: Non-Durable
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 61,701,885	$ 67,123,135
Fair value of investments	$ 53,502,252	$ 54,473,282
% of Total Investments at fair value	5.31%	5.71%
Services: Consumer
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 42,793,668	$ 49,388,222
Fair value of investments	$ 40,569,003	$ 46,066,301
% of Total Investments at fair value	4.03%	4.83%
Construction & Building
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 36,950,838	$ 32,374,992
Fair value of investments	$ 37,219,214	$ 32,979,859
% of Total Investments at fair value	3.69%	3.46%
Consumer Goods: Durable
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 35,569,885	$ 43,393,413
Fair value of investments	$ 31,655,077	$ 42,094,390
% of Total Investments at fair value	3.14%	4.41%
Aerospace & Defense
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 28,192,548	$ 26,014,106
Fair value of investments	$ 25,968,951	$ 21,624,091
% of Total Investments at fair value	2.58%	2.27%
Environmental Industries
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 20,190,193	$ 18,903,681
Fair value of investments	$ 22,323,773	$ 18,282,056
% of Total Investments at fair value	2.22%	1.92%
Chemicals, Plastics, & Rubber
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 20,054,202	$ 36,693,101
Fair value of investments	$ 19,792,281	$ 36,907,602
% of Total Investments at fair value	1.96%	3.87%
Transportation & Logistics
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 16,593,938	$ 17,244,131
Fair value of investments	$ 16,791,026	$ 17,532,488
% of Total Investments at fair value	1.67%	1.84%
Media: Broadcasting & Subscription
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 12,057,869	$ 12,170,577
Fair value of investments	$ 15,196,592	$ 14,314,711
% of Total Investments at fair value	1.51%	1.50%
Retail
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 14,715,878	$ 14,799,085
Fair value of investments	$ 14,756,518	$ 14,723,620
% of Total Investments at fair value	1.46%	1.54%
Energy: Oil & Gas
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 11,802,297	$ 11,353,959
Fair value of investments	$ 11,077,160	$ 10,728,031
% of Total Investments at fair value	1.10%	1.13%
Hotel, Gaming, & Leisure
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 9,181,622	$ 7,113,661
Fair value of investments	$ 9,331,063	$ 8,142,050
% of Total Investments at fair value	0.93%	0.85%
Wholesale
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 8,900,149
Fair value of investments	$ 8,921,351
% of Total Investments at fair value	0.89%
FIRE: Real Estate
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 18,419,200	$ 17,934,808
Fair value of investments	$ 8,379,604	$ 7,652,436
% of Total Investments at fair value	0.83%	0.80%
Media: Diversified & Production
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 7,495,599	$ 5,822,637
Fair value of investments	$ 7,566,694	$ 5,934,853
% of Total Investments at fair value	0.75%	0.62%
Containers, Packaging, & Glass
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 20,714,369	$ 18,007,571
Fair value of investments	$ 6,360,684	$ 12,911,794
% of Total Investments at fair value	0.63%	1.35%
Finance
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost		$ 119,281
Fair value of investments	$ 6,187,401	$ 5,092,459
% of Total Investments at fair value	0.61%	0.53%
Education
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 4,806,660	$ 10,537,738
Fair value of investments	$ 3,750,674	$ 5,341,151
% of Total Investments at fair value	0.37%	0.56%