RELATED PARTY ARRANGEMENTS - Capital Gains Incentive Fee (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Capital gains incentive fees reversed	$ (569,528)	$ (2,818,623)	$ 2,867,131
Related party | Investment Advisory Agreement | Stellus Capital
Related Party Transaction [Line Items]
Capital gains incentive fee percentage	20.00%
Capital gains incentive fees reversed	$ (569,528)	(2,818,623)	$ 2,867,131
Capital gains incentive fee accrued to be paid	$ 0	$ 569,528