RELATED PARTY ARRANGEMENTS - Administration Agreement (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Administrative services expenses	$ 1,908,191	$ 1,810,576	$ 1,798,966
Related party | Stellus Capital | Administration agreement
Related Party Transaction [Line Items]
Administrative services expenses	1,561,394	1,506,344	$ 1,515,630
Administrative services expenses payable	$ 397,953	$ 343,817