SBA-GUARANTEED DEBENTURES - Schedule of Interest Expense and Amortized Fees on SBA-guaranteed Debentures (Details) - SBA-guaranteed Debentures - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Debt Instrument [Line Items]
Interest expense	$ 2,443,009	$ 1,941,979	$ 4,843,727	$ 3,666,260
Debenture fee amortization	306,850	305,877	624,358	589,020
Total interest and financing expenses	$ 2,749,859	$ 2,247,856	$ 5,468,085	$ 4,255,280
Weighted average interest rate	3.10%	2.70%	3.10%	2.70%
Effective interest rate (including fee amortization)	3.50%	3.10%	3.50%	3.20%
Average debt outstanding	$ 313,600,000	$ 287,769,066	$ 313,600,000	$ 271,088,315
Cash paid for interest			$ 4,680,999	$ 3,405,071