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FAIR VALUE OF FINANCIAL INSTRUMENTS - Unrealized gains and losses (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Cumulative unrealized gains and losses from Investments in debt and equity securities |  |  |
Cost | $ 35,186,839 | $ 40,286,064 |
Cumulative Unrealized Gains | 5,141,469 | 126,705 |
Cumulative Unrealized Losses |  | (5,791,556) |
Aggregate Fair Value | 40,328,308 | 34,621,213 |
Unrealized gain (loss) on debt and equity securities | 10,806,320 | (10,521,166) | $ 2,343,359
Equity Securities |  |  |
Cumulative unrealized gains and losses from Investments in debt and equity securities |  |  |
Cost | 24,230,746 | 24,074,112 |
Cumulative Unrealized Gains | 5,029,080 |  |
Cumulative Unrealized Losses |  | (5,791,556) |
Aggregate Fair Value | 29,259,826 | 18,282,556 |
Mutual funds |  |  |
Cumulative unrealized gains and losses from Investments in debt and equity securities |  |  |
Cost | 10,319,644 | 15,576,527 |
Cumulative Unrealized Gains | 84,574 | 80,230 |
Aggregate Fair Value | 10,404,218 | 15,656,757 |
Municipal bonds |  |  |
Cumulative unrealized gains and losses from Investments in debt and equity securities |  |  |
Cost | 636,449 | 635,425 |
Cumulative Unrealized Gains | 27,815 | 46,475 |
Aggregate Fair Value | $ 664,264 | $ 681,900 |

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