Consolidated Statements of Cash Flows (Unaudited) - USD ($)	12 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2021
Operating activities
NET INCREASE (DECREASE) IN NET ASSETS RESULTING FROM OPERATIONS	$ 24,675,763	$ 45,735,184	$ 14,777,036
ADJUSTMENTS TO RECONCILE NET INCREASE (DECREASE) IN NET ASSETS RESULTING FROM OPERATIONS TO NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES:
Payment-in-kind and other adjustments to cost	1,882,734	349,292	973,606
Net accretion of discount on investments	(1,816,934)	(2,043,088)	(1,390,128)
Amortization of deferred debt financing costs	3,587,139	2,164,761	1,372,662
Realized losses on extinguishment of debt	1,587,083	2,434,410	128,617
Income tax expense (benefit)	(152,956)	21,260	667
Net realized (gain) loss from investments	(7,446,596)	(13,398,327)	8,703,806
Net change in unrealized (appreciation) depreciation on investments	15,218,132	(17,019,993)	(4,966,322)
Net change in provision for deferred taxes on unrealized appreciation (depreciation) on investments	1,715,333	(694,908)	574,634
Proceeds from sales and repayments of investments	222,215,062	226,931,104	130,259,061
Purchases of investments	(385,075,296)	(458,073,629)	(202,260,764)
(Increase) decrease in operating assets:
Interest receivable	(3,066,390)	(869,931)	586,826
Due from affiliate	90,968	2,628,032	(2,719,000)
Management fee receivable	(1,260)	(327,905)	237,563
Other assets	(276,357)	692,335	(265,997)
Current income tax receivable	(436,551)
Increase (decrease) in operating liabilities:
Base management and incentive fees payable	(832,147)	6,390,351	(9,243,423)
Accounts payable and accrued expenses	665,285	(951,208)	37,109
Current tax payable	(2,820,036)	2,820,036
Interest and debt fees payable	851,315	155,837	411,742
Directors fees payable	(55,068)	(500)	9,000
Excise tax payable	(630,183)	(61,489)	691,672
Due to manager	(252,879)	(15,251)	(264,777)
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	(130,373,839)	(203,133,627)	(62,346,410)
Financing activities
Borrowings on debt	113,000,000	135,000,000	41,000,000
Paydowns on debt	(76,000,000)	(95,500,000)	(33,000,000)
Issuance of notes	223,875,000	250,000,000	63,125,000
Repayments of notes	(43,125,000)	(60,000,000)
Payments of deferred debt financing costs	(10,135,986)	(10,008,424)	(3,435,749)
Proceeds from issuance of common stock		26,835,203
Payments of cash dividends	(22,665,140)	(18,158,029)	(11,265,914)
Repurchases of common stock	(10,824,340)	(2,545,037)	(3,608,459)
Repurchases fees	(8,764)	(1,992)	(3,746)
Payments of offering costs		(270,576)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	173,579,770	226,088,895	52,811,132
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS AND CASH AND CASH EQUIVALENTS, RESERVE ACCOUNTS	43,205,931	22,955,268	(9,535,278)
CASH AND CASH EQUIVALENTS AND CASH AND CASH EQUIVALENTS, RESERVE ACCOUNTS, BEGINNING OF PERIOD	52,870,342	29,915,074	39,450,352
CASH AND CASH EQUIVALENTS AND CASH AND CASH EQUIVALENTS, RESERVE ACCOUNTS, END OF PERIOD	96,076,273	52,870,342	29,915,074
Supplemental information:
Interest paid during the period	28,904,198	17,560,094	11,802,800
Cash paid for taxes	2,770,984	1,355,083	4,140,241
Supplemental non-cash information:
Payment-in-kind interest income and other adjustments to cost	(1,882,734)	(349,292)	(973,606)
Net accretion of discount on investments	1,816,934	2,043,088	1,390,128
Amortization of deferred debt financing costs	3,587,139	2,164,761	1,372,662
Stock dividend distribution	4,648,262	3,875,206	$ 2,481,084
Notes 2027
Financing activities
Discount on debt issuance,	(176,000)
Notes 2025
Financing activities
Discount on debt issuance,	(360,000)
Notes 2026
Financing activities
Premium on debt issuance, 4.375% notes 2026		1,250,000
Notes 2027 One
Financing activities
Discount on debt issuance,		$ (512,250)