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FAIR VALUE OF FINANCIAL INSTRUMENTS - Assets designated as Investments in debt and equity securities (Details) - USD ($) | Mar. 31, 2024 | Dec. 31, 2023
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Fair value hierarchy of assets designated as Investments in debt and equity securities |  |
Fair value of investments | $ 36,630,439 | $ 34,621,213
Equity securities |  |
Fair value hierarchy of assets designated as Investments in debt and equity securities |  |
Fair value of investments | 20,101,975 | 18,282,556
Mutual funds |  |
Fair value hierarchy of assets designated as Investments in debt and equity securities |  |
Fair value of investments | 15,855,747 | 15,656,757
Municipal bonds |  |
Fair value hierarchy of assets designated as Investments in debt and equity securities |  |
Fair value of investments | 672,717 | 681,900
Level 1 |  |
Fair value hierarchy of assets designated as Investments in debt and equity securities |  |
Fair value of investments | 36,630,439 | 34,621,213
Level 1 | Equity securities |  |
Fair value hierarchy of assets designated as Investments in debt and equity securities |  |
Fair value of investments | 20,101,975 | 18,282,556
Level 1 | Mutual funds |  |
Fair value hierarchy of assets designated as Investments in debt and equity securities |  |
Fair value of investments | 15,855,747 | 15,656,757
Level 1 | Municipal bonds |  |
Fair value hierarchy of assets designated as Investments in debt and equity securities |  |
Fair value of investments | $ 672,717 | $ 681,900

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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