CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended			139 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2023
Cash flows from operating activities
Net increase in net assets resulting from operations	$ 17,533,167	$ 14,491,784	$ 33,572,872
Adjustments to reconcile net increase in net assets from operations to net cash used in operating activities:
Purchases of investments	(183,858,762)	(211,010,869)	(387,281,160)
Proceeds from sales and repayments of investments	134,223,224	127,548,194	287,639,512
Net change in unrealized (appreciation) depreciation on investments	(2,792,152)	17,542,230	6,928,160
Net change in unrealized depreciation (appreciation) on foreign currency translations	6,360	(5,897)
Increase in investments due to PIK	(3,799,843)	(1,357,177)	(939,030)
Amortization of premium and accretion of discount, net	(2,749,543)	(2,519,462)	(2,412,991)
Deferred tax provision (benefit)	126,957	213,214	(510,868)
Amortization of loan structure fees	657,323	567,375	518,930
Amortization of deferred financing costs	446,720	446,719	444,153
Amortization of loan fees on SBA-guaranteed debentures	1,255,753	1,227,952	1,088,132
Net realized loss (gain) on investments	30,211,467	(3,660,595)	(23,703,499)
Loss on debt extinguishment			539,250
Changes in other assets and liabilities
Increase in interest receivable	(897,929)	(1,039,810)	(755,151)
Increase in income tax receivable	(1,588,708)
(Increase) decrease in other receivables	(8,750)	20,507	(29,257)
Decrease (increase) in prepaid expenses	60,593	(155,053)	(25,026)
(Decrease) increase in management fees payable	(4,231,871)	3,696,182	628,903
Increase in income incentive fees payable	420,772	715,278	1,067,470
(Decrease) increase in capital gains incentive fees payable	(569,528)	(2,818,623)	2,867,130
Increase (decrease) in administrative services payable	45,232	(29,449)	(5,123)
Increase in interest payable	600,323	947,179	1,549,577
(Decrease) increase in related party payable	(1,060,321)	1,060,321
Increase (decrease) in unearned revenue	77,050	(209,051)	6,302
(Decrease) increase in income tax payable	(1,175,373)	(2,094,141)	2,544,749
(Decrease) increase in other accrued expenses and liabilities	(197,248)	136,635	164,227
Net Cash Used in Operating Activities	(17,265,087)	(56,286,557)	(76,102,738)
Cash flows from Financing Activities
Proceeds from the issuance of common stock	63,348,436	2,158,540	449,515	$ 341,650,411
Sales load for common stock issued	(943,248)	(31,066)	(2,489)
Offering costs paid for common stock issued	(253,913)	(517,054)	(53,327)
Stockholder distributions paid	(35,527,480)	(26,594,095)	(21,044,928)
Repayment of Notes			(48,875,000)
Proceeds from issuance of Notes			100,000,000
Financing costs paid on Notes			(2,237,835)
Proceeds from SBA-guaranteed debentures	11,400,000	63,600,000	73,500,000
Financing costs paid on SBA-guaranteed debentures	(277,590)	(1,548,660)	(3,139,725)
Financing costs paid on Credit facility	(2,663,106)	(193,635)	(136,219)
Borrowings under Credit Facility	108,400,000	149,888,800	268,700,000
Repayments of Credit Facility	(148,135,600)	(126,607,800)	(265,360,000)
Net Cash (Used) Provided by Financing Activities	(4,652,501)	60,155,030	101,799,992
Net (Decrease) Increase in Cash and Cash Equivalents	(21,917,588)	3,868,473	25,697,254
Cash and Cash Equivalents Balance at Beginning of Period	48,043,329	44,174,856	18,477,602
Cash and Cash Equivalents Balance at End of Period	26,125,741	48,043,329	44,174,856	$ 26,125,741
Supplemental and Non-Cash Activities
Cash paid for interest expense	29,051,198	21,280,060	15,099,656
Income and excise tax paid	2,508,825	3,255,809	1,445,000
(Decrease) increase in distributions payable		(1,171,059)	1,171,059
Increase (decrease) in deferred offering costs	6,212	$ (13,788)	(75,112)
Gain on conversion of equity investment			$ 6,668
Exchange of investments	$ 3,610,846