Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Non-controlled/non-affiliate, Controlled/affiliate, investment income [Abstract]
Dividend income	$ 30,964	$ 960,887	$ 359,461	$ 1,370,807
Other income	0	0	34,798	53,325
Total investment income	9,440,331	12,991,114	33,456,449	34,415,243
Operating expenses:
Interest and other financing fees	3,106,779	3,732,162	10,211,280	10,186,333
Management fees (Note 6)	1,078,294	1,165,449	3,306,940	3,978,875
Incentive fees (Note 6)	801,653	1,415,068	3,145,659	3,878,026
Professional fees	384,728	404,968	1,189,807	1,113,595
General and administrative fees	130,727	115,602	443,769	357,763
Legal expenses	97,305	90,617	293,012	230,237
Director expenses	61,510	27,500	108,750	67,500
Total expenses before fee waivers	5,660,996	6,951,366	18,699,217	19,812,329
Management fee waiver (Note 6)	0	0	0	(552,269)
Incentive fee waiver (Note 6)	(1,120,588)	0	(1,120,588)	(1,034,565)
Total expenses after fee waivers	4,540,408	6,951,366	17,578,629	18,225,495
Net investment income	4,899,923	6,039,748	15,877,820	16,189,748
Net realized gain (loss):
Net realized gain (loss) on investments	0	0	2,034,517	45,283
Net change in unrealized gain (loss):
Net change in unrealized gain (loss) on investments	(226,441)	(1,117,559)	(10,862,337)	88,174
Net gain (loss)	(226,441)	(1,117,559)	(8,827,820)	133,457
Net increase (decrease) in net assets resulting from operations	$ 4,673,482	$ 4,922,189	$ 7,050,000	$ 16,323,205
Per common share data:
Net investment income per share - basic (in dollars per share)	$ 0.58	$ 0.79	$ 1.96	$ 2.24
Net investment income per share - diluted (in dollars per share)	0.58	0.79	1.96	2.24
Net increase (decrease) in net assets resulting from operations per share - basic (in dollars per share)	0.55	0.65	0.87	2.26
Net increase (decrease) in net assets resulting from operations per share - diluted (in dollars per share)	$ 0.55	$ 0.65	$ 0.87	$ 2.26
Weighted average shares outstanding - basic (in shares)	8,507,138	7,600,742	8,099,067	7,239,429
Weighted average shares outstanding - diluted (in shares)	8,507,138	7,600,742	8,099,067	7,239,429
Non-controlled/Non-affiliated Investments [Member]
Non-controlled/non-affiliate, Controlled/affiliate, investment income [Abstract]
Interest income	$ 7,576,521	$ 11,157,418	$ 27,698,324	$ 31,031,859
PIK interest income	615,739	714,064	3,041,693	1,730,753
Dividend income	30,964	960,887	153,177	1,322,996
Other income	8,208	3,640	170,192	68,651
Net realized gain (loss):
Net realized gain (loss) on investments	0	0	2,034,517	45,283
Net change in unrealized gain (loss):
Net change in unrealized gain (loss) on investments	540,742	(4,058,345)	(3,558,865)	(2,644,420)
Controlled/Affiliate Investments [Member]
Non-controlled/non-affiliate, Controlled/affiliate, investment income [Abstract]
Interest income	1,069,033	94,531	1,909,109	152,599
PIK interest income	139,866	60,574	277,670	60,574
Dividend income	0	0	206,284	47,811
Net realized gain (loss):
Net realized gain (loss) on investments	0	0	0	0
Net change in unrealized gain (loss):
Net change in unrealized gain (loss) on investments	$ (767,183)	$ 2,940,786	$ (7,303,472)	$ 2,732,594