v3.25.2
PORTFOLIO INVESTMENTS AND FAIR VALUE - Industry concentration of investment portfolio (Details) - USD ($)
Jun. 30, 2025
Dec. 31, 2024
Investment Holdings 1 [Line Items]    
Cost $ 335,175,538 $ 297,791,269
Fair Value $ 340,357,403 $ 300,732,065
% of Total Investments at Fair Value 100.00% 100.00%
Services: Business    
Investment Holdings 1 [Line Items]    
Cost $ 71,215,277 $ 50,117,721
Fair Value $ 73,192,327 $ 51,333,196
% of Total Investments at Fair Value 21.51% 17.06%
High Tech Industries    
Investment Holdings 1 [Line Items]    
Cost $ 38,485,784 $ 37,580,707
Fair Value $ 39,257,580 $ 38,418,760
% of Total Investments at Fair Value 11.53% 12.78%
Healthcare & Pharmaceuticals    
Investment Holdings 1 [Line Items]    
Cost $ 33,940,110 $ 33,078,396
Fair Value $ 34,283,132 $ 33,123,393
% of Total Investments at Fair Value 10.07% 11.01%
Capital Equipment    
Investment Holdings 1 [Line Items]    
Cost $ 32,192,046 $ 26,634,637
Fair Value $ 33,038,075 $ 27,544,790
% of Total Investments at Fair Value 9.71% 9.16%
Media: Advertising, Printing & Publishing    
Investment Holdings 1 [Line Items]    
Cost $ 25,545,625 $ 19,321,733
Fair Value $ 24,928,468 $ 19,051,900
% of Total Investments at Fair Value 7.32% 6.34%
Consumer Goods: Non-Durable    
Investment Holdings 1 [Line Items]    
Cost $ 18,504,782 $ 19,459,391
Fair Value $ 19,892,643 $ 20,424,922
% of Total Investments at Fair Value 5.84% 6.79%
Services: Consumer    
Investment Holdings 1 [Line Items]    
Cost $ 19,588,196 $ 19,416,695
Fair Value $ 18,559,975 $ 17,380,571
% of Total Investments at Fair Value 5.45% 5.78%
Chemicals, Plastics, & Rubber    
Investment Holdings 1 [Line Items]    
Cost $ 14,267,157 $ 17,043,322
Fair Value $ 14,135,812 $ 17,041,973
% of Total Investments at Fair Value 4.15% 5.67%
Beverage & Food    
Investment Holdings 1 [Line Items]    
Cost $ 16,342,295 $ 13,801,250
Fair Value $ 16,464,253 $ 13,952,930
% of Total Investments at Fair Value 4.84% 4.64%
Construction & Building    
Investment Holdings 1 [Line Items]    
Cost $ 14,603,059 $ 13,290,426
Fair Value $ 15,003,370 $ 13,638,879
% of Total Investments at Fair Value 4.41% 4.54%
Media: Diversified & Production    
Investment Holdings 1 [Line Items]    
Cost $ 12,147,371 $ 12,153,794
Fair Value $ 12,096,664 $ 12,093,869
% of Total Investments at Fair Value 3.55% 4.02%
Environmental Industries    
Investment Holdings 1 [Line Items]    
Cost $ 8,558,713 $ 9,482,195
Fair Value $ 9,040,553 $ 9,782,473
% of Total Investments at Fair Value 2.66% 3.25%
Consumer Goods: Durable    
Investment Holdings 1 [Line Items]    
Cost $ 9,598,872 $ 8,562,343
Fair Value $ 9,854,897 $ 8,638,156
% of Total Investments at Fair Value 2.90% 2.87%
Energy: Oil & Gas    
Investment Holdings 1 [Line Items]    
Cost $ 8,108,302 $ 7,800,160
Fair Value $ 8,468,223 $ 8,232,957
% of Total Investments at Fair Value 2.49% 2.74%
Retail    
Investment Holdings 1 [Line Items]    
Cost $ 6,184,658 $ 6,293,227
Fair Value $ 6,194,858 $ 6,252,832
% of Total Investments at Fair Value 1.82% 2.08%
Hotel, Gaming, & Leisure    
Investment Holdings 1 [Line Items]    
Cost $ 3,710,573 $ 3,755,272
Fair Value $ 3,767,254 $ 3,820,464
% of Total Investments at Fair Value 1.11% 1.27%
Wholesale    
Investment Holdings 1 [Line Items]    
Cost $ 2,182,718  
Fair Value $ 2,179,319  
% of Total Investments at Fair Value 0.64%