SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)		3 Months Ended		12 Months Ended
	Jul. 18, 2011	Mar. 31, 2023 USD ($) investment	Mar. 31, 2022 USD ($) investment	Mar. 31, 2023 USD ($) investment	Mar. 31, 2022 USD ($) investment	Mar. 31, 2021 USD ($)
Accounting Policies [Abstract]
FDIC Insured amount		$ 8,900,000	$ 6,500,000	$ 8,900,000	$ 6,500,000
FDIC uninsured amount		$ 20,300,000	$ 10,200,000	$ 20,300,000	$ 10,200,000
Concentration Risk [Line Items]
Non-cash interest income percent				3.20%	3.70%
Number of PIK investments | investment		3	2	3	2
Non-cash PIK interest income percent				4.60%	3.90%
Remaining lease term		9 years 6 months		9 years 6 months
Interest or penalties expense				$ 0	$ 0	$ 0
Right to grant period	10 years
Percentage of Total Portfolio at Fair Value | Credit risk | Investment Owned, Non-accrual Status
Concentration Risk [Line Items]
Percentage of Total Portfolio				0.30%	1.50%
Percentage of Total Portfolio at Cost | Credit risk | Investment Owned, Non-accrual Status
Concentration Risk [Line Items]
Percentage of Total Portfolio				1.30%	2.60%