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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 18, 2021 | Jun. 30, 2024 USD ($) investment | Jun. 30, 2023 USD ($) | Mar. 31, 2024 USD ($) investment
Accounting Policies [Abstract] |  |  |  |
FDIC Insured amount |  | $ 23,400,000 |  | $ 18,800,000
FDIC uninsured amount |  | $ 31,800,000 |  | $ 30,700,000
Remaining lease term |  | 11 years 3 months |  |
Concentration Risk [Line Items] |  |  |  |
Non-cash interest income percent |  | 3.00% | 2.90% |
Number of PIK investments | investment |  | 5 |  | 5
Non-cash PIK interest income percent |  | 5.90% | 4.10% |
Interest or penalties expense |  | $ 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 | Investments on Non-accrual Status |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Percent of total investment portfolio's fair value |  | 1.90% |  | 2.30%
Percentage of Total Portfolio at Cost | Credit risk | Investments on Non-accrual Status |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Percent of total investment portfolio's fair value |  | 3.90% |  | 3.90%

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