PORTFOLIO INVESTMENTS AND FAIR VALUE - Industry Concentration of Investment Portfolio (Details) - USD ($)	Jun. 30, 2025	Dec. 31, 2024
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 990,419,688	$ 961,788,706
Fair value of investments	$ 985,885,674	$ 953,497,688
% of Total Investments at fair value	100.00%	100.00%
Services: Business
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 244,182,386	$ 219,665,133
Fair value of investments	$ 258,262,872	$ 234,908,112
% of Total Investments at fair value	26.20%	24.64%
High Tech Industries
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 91,009,383	$ 91,135,577
Fair value of investments	$ 94,251,008	$ 93,468,792
% of Total Investments at fair value	9.56%	9.81%
Healthcare & Pharmaceuticals
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 85,962,250	$ 85,300,317
Fair value of investments	$ 85,601,802	$ 85,478,418
% of Total Investments at fair value	8.69%	8.97%
Media: Advertising, Printing & Publishing
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 79,072,535	$ 71,318,416
Fair value of investments	$ 79,491,427	$ 72,291,584
% of Total Investments at fair value	8.06%	7.58%
Beverage & Food
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 66,466,812	$ 64,052,951
Fair value of investments	$ 71,783,476	$ 68,902,142
% of Total Investments at fair value	7.28%	7.23%
Consumer Goods: Non-Durable
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 63,276,327	$ 67,123,135
Fair value of investments	$ 54,148,707	$ 54,473,282
% of Total Investments at fair value	5.49%	5.71%
Capital Equipment
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 50,028,627	$ 41,322,214
Fair value of investments	$ 52,227,597	$ 43,647,466
% of Total Investments at fair value	5.30%	4.58%
Services: Consumer
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 48,987,156	$ 49,388,222
Fair value of investments	$ 46,657,723	$ 46,066,301
% of Total Investments at fair value	4.73%	4.83%
Chemicals, Plastics, & Rubber
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 27,191,767	$ 36,693,101
Fair value of investments	$ 26,832,102	$ 36,907,602
% of Total Investments at fair value	2.72%	3.87%
Construction & Building
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 33,509,105	$ 32,374,992
Fair value of investments	$ 34,228,429	$ 32,979,859
% of Total Investments at fair value	3.47%	3.46%
Consumer Goods: Durable
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 34,761,208	$ 43,393,413
Fair value of investments	$ 31,688,133	$ 42,094,390
% of Total Investments at fair value	3.21%	4.41%
Aerospace & Defense
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 27,570,043	$ 26,014,106
Fair value of investments	$ 23,217,974	$ 21,624,091
% of Total Investments at fair value	2.36%	2.27%
Environmental Industries
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 19,012,806	$ 18,903,681
Fair value of investments	$ 21,674,649	$ 18,282,056
% of Total Investments at fair value	2.20%	1.92%
Transportation & Logistics
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 17,869,351	$ 17,244,131
Fair value of investments	$ 18,117,259	$ 17,532,488
% of Total Investments at fair value	1.84%	1.84%
Retail
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 14,727,262	$ 14,799,085
Fair value of investments	$ 14,784,458	$ 14,723,620
% of Total Investments at fair value	1.50%	1.54%
Media: Broadcasting & Subscription
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 12,114,145	$ 12,170,577
Fair value of investments	$ 14,554,108	$ 14,314,711
% of Total Investments at fair value	1.48%	1.50%
Energy: Oil & Gas
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 11,755,487	$ 11,353,959
Fair value of investments	$ 11,034,597	$ 10,728,031
% of Total Investments at fair value	1.12%	1.13%
Containers, Packaging, & Glass
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 20,682,222	$ 18,007,571
Fair value of investments	$ 7,247,988	$ 12,911,794
% of Total Investments at fair value	0.74%	1.35%
Hotel, Gaming, & Leisure
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 7,078,405	$ 7,113,661
Fair value of investments	$ 9,999,071	$ 8,142,050
% of Total Investments at fair value	1.01%	0.85%
FIRE: Real Estate
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 17,934,808	$ 17,934,808
Fair value of investments	$ 7,790,627	$ 7,652,436
% of Total Investments at fair value	0.79%	0.80%
Media: Diversified & Production
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 7,483,906	$ 5,822,637
Fair value of investments	$ 7,626,556	$ 5,934,853
% of Total Investments at fair value	0.77%	0.62%
Finance
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost		$ 119,281
Fair value of investments	$ 5,802,435	$ 5,092,459
% of Total Investments at fair value	0.59%	0.53%
Wholesale
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 5,071,083
Fair value of investments	$ 5,067,049
% of Total Investments at fair value	0.51%
Education
PORTFOLIO INVESTMENTS AND FAIR VALUE
Investments, amortized cost	$ 4,672,614	$ 10,537,738
Fair value of investments	$ 3,795,627	$ 5,341,151
% of Total Investments at fair value	0.38%	0.56%