SBA-GUARANTEED DEBENTURES - Schedule of Interest Expense and Amortized Fees on SBA-guaranteed Debentures (Details) - SBA-guaranteed Debentures - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Interest expense	$ 10,047,058	$ 8,151,814	$ 6,389,513
Debenture fee amortization	1,255,753	1,227,952	1,088,132
Total interest and financing expenses	$ 11,302,811	$ 9,379,766	$ 7,477,645
Weighted average interest rate	3.20%	2.80%	2.80%
Effective interest rate (including fee amortization)	3.50%	3.30%	3.30%
Average debt outstanding	$ 318,847,123	$ 288,167,082	$ 227,826,849
Cash paid for interest	$ 9,646,849	$ 7,360,295	$ 5,907,676