Investments - Schedule of Transactions with Affiliated Investments and Controlled Investments (Details) - USD ($)		12 Months Ended
		Sep. 30, 2025		Sep. 30, 2024
Affiliated Investments [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]	$ 14,750,785		$ 37,289,617
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]	25,142,848		(25,481,801)
Transfers In/(Out) of Controlled	[1],[2]			(196,411)
Unrealized Gain/(Loss)	[1],[2]	5,804,639		5,130,836
Realized Gain/(Loss)	[1],[2]	(10,316,867)		(1,991,456)
Fair value as of ending	[1],[2]	35,381,405		14,750,785
Earned Income	[1],[2]	868,640		1,017,275
Fee/Other Income	[1],[2]
Controlled Investments [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]	70,931,647		63,640,043
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]	52,626,792		15,189,600
Transfers In/(Out) of Controlled	[1],[2]			(9,153,693)
Unrealized Gain/(Loss)	[1],[2]	(1,960,755)		(7,287,134)
Realized Gain/(Loss)	[1],[2]	13,230		8,542,831
Fair value as of ending	[1],[2]	121,610,914		70,931,647
Earned Income	[1],[2]	7,477,155		6,696,176
Fee/Other Income	[1],[2]	719,688
Advocates for Disabled Vets, LLC (dba Reps for Vets) [Member] | Affiliated Investments [Member] | Senior Secured First Lien Term Loan [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]	8,769,172
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]	28,042
Realized Gain/(Loss)	[1],[2]	1,299
Fair value as of ending	[1],[2]	8,798,513
Earned Income	[1],[2]	614,409
Fee/Other Income	[1],[2]
Advocates for Disabled Vets, LLC (dba Reps for Vets) [Member] | Affiliated Investments [Member] | Equity type of investment [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]	3,375,000
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]	(15,489)
Fair value as of ending	[1],[2]	3,359,511
Earned Income	[1],[2]
Fee/Other Income	[1],[2]
Black Angus Steakhouses, LLC [Member] | Affiliated Investments [Member] | Senior Secured First Lien Term Loan [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]			1,459,249
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]	7,767,533		(1,459,249)
Realized Gain/(Loss)	[1],[2]	(7,767,533)
Fair value as of ending	[1],[2]
Earned Income	[1],[2]
Fee/Other Income	[1],[2]
Black Angus Steakhouses, LLC [Member] | Affiliated Investments [Member] | Senior Secured First Lien Delayed Draw Term Loan [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]	751,207		875,749
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]	(243,889)
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]	124,542		(124,542)
Realized Gain/(Loss)	[1],[2]	(631,860)
Fair value as of ending	[1],[2]			751,207
Earned Income	[1],[2]
Fee/Other Income	[1],[2]
Black Angus Steakhouses, LLC [Member] | Affiliated Investments [Member] | Senior Secured First Lien Super Priority DDTL [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]	1,647,776		1,920,960
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]	273,184		(273,184)
Realized Gain/(Loss)	[1],[2]	(1,920,960)
Fair value as of ending	[1],[2]			1,647,776
Earned Income	[1],[2]
Fee/Other Income	[1],[2]
FST Holdings Parent, LLC [Member] | Affiliated Investments [Member] | Equity type of investment [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]	12,351,802		10,000,003
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]	8,289
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]	(1,399,350)		2,351,799
Realized Gain/(Loss)	[1],[2]
Fair value as of ending	[1],[2]	10,960,741		12,351,802
Earned Income	[1],[2]	254,231		199,388
Fee/Other Income	[1],[2]
MB Precision Investment Holdings LLC [Member] | Affiliated Investments [Member] | Senior Secured First Lien Term Loan [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]	6,694,041
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]	(297,667)
Realized Gain/(Loss)	[1],[2]	2,187
Fair value as of ending	[1],[2]	6,398,561
Earned Income	[1],[2]
Fee/Other Income	[1],[2]
MB Precision Investment Holdings LLC [Member] | Affiliated Investments [Member] | Equity type of investment [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]	3,167,157
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]	(441,749)
Realized Gain/(Loss)	[1],[2]
Fair value as of ending	[1],[2]	2,725,408
Earned Income	[1],[2]
Fee/Other Income	[1],[2]
MB Precision Investment Holdings LLC [Member] | Affiliated Investments [Member] | Senior Secured First Lien Delayed Draw Term Loan [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]	468,621
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]	21,685
Realized Gain/(Loss)	[1],[2]
Fair value as of ending	[1],[2]	490,306
Earned Income	[1],[2]
Fee/Other Income	[1],[2]
MB Precision Investment Holdings LLC [Member] | Affiliated Investments [Member] | Senior Secured First Lien Revolver [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]	2,077,048
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]	(101,701)
Realized Gain/(Loss)	[1],[2]
Fair value as of ending	[1],[2]	1,975,347
Earned Income	[1],[2]
Fee/Other Income	[1],[2]
MB Precision Investment Holdings LLC [Member] | Affiliated Investments [Member] | Warrants [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]	827,409
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]	(154,391)
Realized Gain/(Loss)	[1],[2]
Fair value as of ending	[1],[2]	673,018
Earned Income	[1],[2]
Fee/Other Income	[1],[2]
ECC Capital Corp [Member] | Controlled Investments [Member] | Senior Secured First Lien Term Loan [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]	7,422,012
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]	(425,000)
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]
Realized Gain/(Loss)	[1],[2]
Fair value as of ending	[1],[2]	6,997,012		7,422,012
Earned Income	[1],[2]	716,278
Fee/Other Income	[1],[2]
ECC Capital Corp [Member] | Controlled Investments [Member] | Equity type of investment [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]	4,872,000
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]			4,257,002
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]	1,764,000		614,998
Realized Gain/(Loss)	[1],[2]
Fair value as of ending	[1],[2]	6,636,000		4,872,000
Earned Income	[1],[2]			33,280
Fee/Other Income		197,201
ECC Capital Corp [Member] | Controlled Investments [Member] | Senior Secured Promissory Note [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]	7,422,012
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]			7,422,012
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]
Realized Gain/(Loss)	[1],[2]
Fair value as of ending	[1],[2]			7,422,012
Earned Income	[1],[2]			962,959
FlexFIN, LLC [Member] | Controlled Investments [Member] | Equity Interest [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]	36,683,046		38,870,711
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]	497,716		(2,187,665)
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]
Realized Gain/(Loss)	[1],[2]
Fair value as of ending	[1],[2]	37,180,762		36,683,046
Earned Income	[1],[2]	5,024,928		3,972,352
Fee/Other Income	[1],[2]
NSG Captive, Inc. [Member] | Controlled Investments [Member] | Equity type of investment [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]	101,000
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]	49,154,076
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]	(785,536)
Realized Gain/(Loss)	[1],[2]
Fair value as of ending	[1],[2]	48,469,540		101,000
Earned Income	[1],[2]
Fee/Other Income	[1],[2]	522,487
NVTN LLC [Member] | Controlled Investments [Member] | Equity type of investment [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]			11,900,000
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]			(11,900,000)
Realized Gain/(Loss)	[1],[2]
Fair value as of ending	[1],[2]
Earned Income	[1],[2]
NVTN LLC [Member] | Controlled Investments [Member] | Senior Secured First Lien Delayed Draw Term Loan [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]	5,500,000		7,214,856
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]	3,400,000		(1,693,577)
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]	(13,230)		(21,279)
Realized Gain/(Loss)	[1],[2]	13,230
Fair value as of ending	[1],[2]	8,900,000		5,500,000
Earned Income	[1],[2]	922,828		1,035,741
Fee/Other Income	[1],[2]
NVTN LLC [Member] | Controlled Investments [Member] | Senior Secured First Lien Term Loan B [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]	16,353,589		5,037,547
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]	(2,925,989)		11,316,042
Realized Gain/(Loss)	[1],[2]
Fair value as of ending	[1],[2]	13,427,600		16,353,589
Earned Income		813,121	[1],[2]	423,013
Fee/Other Income	[1],[2]
1888 Industrial Services, LLC [Member] | Affiliated Investments [Member] | Senior Secured First Lien Term Loan C [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]			751,479
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]			(1,096,561)
Transfers In/(Out) of Controlled	[1],[2]			(196,411)
Unrealized Gain/(Loss)	[1],[2]			439,778
Realized Gain/(Loss)	[1],[2]			101,715
Fair value as of ending	[1],[2]
Earned Income	[1],[2]			123,326
1888 Industrial Services, LLC [Member] | Affiliated Investments [Member] | Senior Secured First Lien Term Loan A [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]			9,473,068
Realized Gain/(Loss)	[1],[2]			(9,473,068)
Fair value as of ending	[1],[2]
Earned Income	[1],[2]
1888 Industrial Services, LLC [Member] | Affiliated Investments [Member] | Revolving Credit Facility [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]			4,632,177
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]			(5,112,074)
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]
Realized Gain/(Loss)	[1],[2]			479,897
Fair value as of ending	[1],[2]
Earned Income	[1],[2]			158,704
Maritime Wireless Holdings LLC [Member] | Affiliated Investments [Member] | Equity type of investment [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]			10,150,000
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]			(11,900,000)
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]			(5,150,000)
Realized Gain/(Loss)	[1],[2]			6,900,000
Fair value as of ending	[1],[2]
Earned Income	[1],[2]
Maritime Wireless Holdings LLC [Member] | Affiliated Investments [Member] | Senior Secured First Lien Term Loan B [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]			7,500,000
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]			(7,373,166)
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]			(126,834)
Realized Gain/(Loss)	[1],[2]
Fair value as of ending	[1],[2]
Earned Income	[1],[2]			535,857
Kemmerer Operations, LLC [Member] | Controlled Investments [Member] | Senior Secured First Lien Term Loan [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]			3,383,877
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]			5,769,816
Transfers In/(Out) of Controlled	[1],[2]			(9,153,693)
Unrealized Gain/(Loss)	[1],[2]
Realized Gain/(Loss)	[1],[2]
Fair value as of ending	[1],[2]
Earned Income	[1],[2]			268,831
Kemmerer Operations, LLC [Member] | Controlled Investments [Member] | Equity type of investment [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]			9,133,052
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]			(10,378,988)
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]			(7,296,895)
Realized Gain/(Loss)	[1],[2]			8,542,831
Fair value as of ending	[1],[2]
Earned Income	[1],[2]
NSG Captive, Inc [Member] | Controlled Investments [Member] | Equity type of investment [Member]
Schedule of Transactions with Affiliated Investments and Controlled Investments [Line Items]
Fair value as of beginning	[1],[2]	$ 101,000
Purchases/(Sales) of or Advances/ (Distributions)	[1],[2]			101,000
Transfers In/(Out) of Controlled	[1],[2]
Unrealized Gain/(Loss)	[1],[2]
Realized Gain/(Loss)	[1],[2]
Fair value as of ending	[1],[2]			101,000
Earned Income	[1],[2]

[1] Securities with a zero value at the beginning and end of the period, and those that had no transaction activity were excluded from the roll forward.

[2] The par amount and additional detail are shown in the Consolidated Schedules of Investments.