SBA-GUARANTEED DEBENTURES - Schedule of Interest Expense and Amortized Fees on SBA-guaranteed Debentures (Details) - SBA-guaranteed Debentures - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Interest expense	$ 10,497,375	$ 10,047,058	$ 8,151,814
Debenture fee amortization	978,582	1,255,753	1,227,952
Total interest and financing expenses	$ 11,475,957	$ 11,302,811	$ 9,379,766
Weighted average interest rate	3.20%	3.20%	2.80%
Effective interest rate (including fee amortization)	3.50%	3.50%	3.30%
Average debt outstanding	$ 325,000,000	$ 318,847,123	$ 288,167,082
Cash paid for interest	$ 10,470,211	$ 9,646,849	$ 7,360,295