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FAIR VALUE OF FINANCIAL INSTRUMENTS - Assets designated as Investments in debt and equity securities (Details) - USD ($) | Mar. 31, 2026 | Mar. 31, 2025
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Fair value hierarchy of assets designated as Investments in debt and equity securities |  |
Fair value of investments | $ 32,852,028 | $ 34,382,808
Equity Securities |  |
Fair value hierarchy of assets designated as Investments in debt and equity securities |  |
Fair value of investments | 12,267,346 |
Mutual funds |  |
Fair value hierarchy of assets designated as Investments in debt and equity securities |  |
Fair value of investments | 19,984,891 | 33,774,204
Municipal bonds |  |
Fair value hierarchy of assets designated as Investments in debt and equity securities |  |
Fair value of investments | 599,791 | 608,604
Level 1 |  |
Fair value hierarchy of assets designated as Investments in debt and equity securities |  |
Fair value of investments | 32,852,028 | 34,382,808
Level 1 | Equity Securities |  |
Fair value hierarchy of assets designated as Investments in debt and equity securities |  |
Fair value of investments | 12,267,346 |
Level 1 | Mutual funds |  |
Fair value hierarchy of assets designated as Investments in debt and equity securities |  |
Fair value of investments | 19,984,891 | 33,774,204
Level 1 | Municipal bonds |  |
Fair value hierarchy of assets designated as Investments in debt and equity securities |  |
Fair value of investments | $ 599,791 | $ 608,604

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