SBA-GUARANTEED DEBENTURES - Schedule of Interest Expense and Amortized Fees on SBA-guaranteed Debentures (Details) - SBA-guaranteed Debentures - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Debt Instrument [Line Items]
Interest expense	$ 2,400,718	$ 1,724,280
Debenture fee amortization	317,508	283,144
Total interest and financing expenses	$ 2,718,226	$ 2,007,424
Weighted average interest rate	3.10%	2.80%
Effective interest rate (including fee amortization)	3.50%	3.20%
Average debt outstanding	$ 313,600,000	$ 254,222,222
Cash paid for interest	$ 4,680,999	$ 3,405,071