RELATED PARTY ARRANGEMENTS - Administration Agreement (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Related Party Transaction [Line Items]
Administrative services expenses	$ 447,381	$ 437,804	$ 1,388,602	$ 1,354,295
Stellus Capital | Administration agreement
Related Party Transaction [Line Items]
Administrative services expenses	369,209	$ 368,680	1,162,527	$ 1,133,108
Administrative services expenses payable	$ 369,209		$ 369,209		$ 382,322