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RELATED PARTY ARRANGEMENTS - Investment Income Incentive Fee (Details) - USD ($)	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
RELATED PARTY ARRANGEMENTS
Incentive fees	$ 2,136,491	$ 2,509,110
Incentive fee payable current	$ 828,462		$ 2,351,703
Related party \| Investment Advisory Agreement \| Stellus Capital
RELATED PARTY ARRANGEMENTS
Pre-Incentive fee net investment income, quarter hurdle rate	2.00%
Pre-Incentive fee net investment income, annual hurdle rate	8.00%
Incentive fee paid to investment advisor	$ 0
Cumulative pre-incentive fee net rate of return	20.00%
Incentive fees	$ 2,136,491	2,509,110
Income incentive fees written off	1,242,843	$ 204,351
Related party \| Investment Advisory Agreement \| Stellus Capital \| Payment in Kind (PIK)
RELATED PARTY ARRANGEMENTS
Incentive fee payable	$ 823,044		757,857
Related party \| Investment Advisory Agreement \| Stellus Capital \| Scenario, Hurdle Rate Less Than 2.5%
RELATED PARTY ARRANGEMENTS
Pre-Incentive fee net investment income, quarter hurdle rate	2.50%
Pre-Incentive fee net investment income, annual hurdle rate	10.00%
Cumulative pre-incentive fee net rate of return	100.00%
Related party \| Investment Advisory Agreement \| Stellus Capital \| Scenario, Hurdle Rate Greater Than Than 2.5%
RELATED PARTY ARRANGEMENTS
Pre-Incentive fee net investment income, quarter hurdle rate	2.50%
Pre-Incentive fee net investment income, annual hurdle rate	10.00%
Cumulative pre-incentive fee net rate of return	20.00%
Stellus Capital
RELATED PARTY ARRANGEMENTS
Incentive fee payable	$ 1,651,506		3,109,560
Incentive fee payable current	$ 828,462		$ 2,351,703