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FAIR VALUE OF FINANCIAL INSTRUMENTS - Unrealized gains and losses (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Cumulative unrealized gains and losses from Investments in debt and equity securities |  |  |
Cost | $ 40,522,185 |  | $ 40,286,064
Gross Unrealized Gains | 117,956 |  | 126,705
Gross Unrealized Losses | (4,009,702) |  | (5,791,556)
Aggregate Fair Value | 36,630,439 |  | 34,621,213
Unrealized gain on debt and equity securities | 1,732,649 | $ 1,492,011 |
Equity securities |  |  |
Cumulative unrealized gains and losses from Investments in debt and equity securities |  |  |
Cost | 24,111,677 |  | 24,074,112
Gross Unrealized Losses | (4,009,702) |  | (5,791,556)
Aggregate Fair Value | 20,101,975 |  | 18,282,556
Mutual funds |  |  |
Cumulative unrealized gains and losses from Investments in debt and equity securities |  |  |
Cost | 15,775,033 |  | 15,576,527
Gross Unrealized Gains | 80,714 |  | 80,230
Aggregate Fair Value | 15,855,747 |  | 15,656,757
Municipal bonds |  |  |
Cumulative unrealized gains and losses from Investments in debt and equity securities |  |  |
Cost | 635,475 |  | 635,425
Gross Unrealized Gains | 37,242 |  | 46,475
Aggregate Fair Value | $ 672,717 |  | $ 681,900

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