RELATED PARTY ARRANGEMENTS - Investment Advisory Agreement (Details) - USD ($)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
RELATED PARTY ARRANGEMENTS
Payable to related party	$ 1,060,321
Stellus Capital \| Investment Advisory Agreement
RELATED PARTY ARRANGEMENTS
Annual base management fee percentage	1.75%
Base management fee	$ 14,848,174	$ 13,169,606	$ 11,084,450
Payable to related party	$ 7,150,407	$ 3,454,225

Carrying amount as of the balance sheet date of obligations due all related parties.

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+ Details