SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)		3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 18, 2021	Sep. 30, 2023 USD ($) investment	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) investment	Sep. 30, 2022 USD ($)	Mar. 31, 2023 USD ($) investment
Accounting Policies [Abstract]
FDIC Insured amount		$ 7,100,000		$ 7,100,000		$ 8,900,000
FDIC uninsured amount		$ 21,700,000		$ 21,700,000		$ 20,300,000
Concentration Risk [Line Items]
Non-cash interest income percent		3.40%	3.60%	3.20%	3.70%
Number of PIK investments | investment		4		4		3
Non-cash PIK interest income percent		3.60%	5.20%	3.80%	4.20%
Interest or penalties expense		$ 0	$ 0	$ 0	$ 0
Restricted Stock | 2010 Plan
Concentration Risk [Line Items]
Right to grant period	10 years
Percentage of Total Portfolio at Fair Value | Credit risk | Investment Owned, Non-accrual Status
Concentration Risk [Line Items]
Percent of total investment portfolio's fair value				2.00%		0.30%
Percentage of Total Portfolio at Cost | Credit risk | Investment Owned, Non-accrual Status
Concentration Risk [Line Items]
Percent of total investment portfolio's fair value				2.90%		1.30%