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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) | 12 Months Ended
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Dec. 31, 2025
FAIR VALUE OF FINANCIAL INSTRUMENTS |
Schedule of fair value of values of assets designated as Investments in equity securities | ​ The Company considers any potential impairment of property, plant, and equipment, including construction in progress, to be a Level 3 fair value measurement. ​ The following tables summarize the values of assets designated as Investments in debt and equity securities: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2025
​ | ​ ​ ​ | Level 1 | ​ ​ ​ | Level 2 | ​ ​ ​ | Level 3 | ​ ​ ​ | Total
Mutual funds | ​ | $ | 33,774,204 | ​ | $ | — | ​ | $ | — | ​ | $ | 33,774,204
Municipal bonds | ​ | ​ | 608,604 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 608,604
​ | ​ | $ | 34,382,808 | ​ | $ | — | ​ | $ | — | ​ | $ | 34,382,808
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2024
​ | ​ ​ ​ | Level 1 | ​ ​ ​ | Level 2 | ​ ​ ​ | Level 3 | ​ ​ ​ | Total
Equity securities | ​ | $ | 29,259,826 | ​ | $ | — | ​ | $ | — | ​ | $ | 29,259,826
Mutual funds | ​ | ​ | 10,404,218 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 10,404,218
Municipal bonds | ​ |  | 664,264 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 664,264
​ | ​ | $ | 40,328,308 | ​ | $ | — | ​ | $ | — | ​ | $ | 40,328,308
​
Schedule of gross unrealized gains (losses) on investments in equity securities | The following table summarizes gross unrealized gains and losses from Investments in debt and equity securities: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2025
​ | ​ | ​ | ​ | ​ | Cumulative Unrealized | ​ | Aggregate
​ | ​ ​ ​ | Cost | ​ ​ ​ | Gains | ​ ​ ​ | Losses | ​ ​ ​ | Fair Value
Mutual funds | ​ | $ | 33,695,124 | ​ | $ | 79,080 | ​ | $ | — | ​ | $ | 33,774,204
Municipal bonds | ​ | ​ | 582,289 | ​ | ​ | 26,315 | ​ | ​ | — | ​ | ​ | 608,604
​ | ​ | $ | 34,277,413 | ​ | $ | 105,395 | ​ | $ | — | ​ | $ | 34,382,808
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2024
​ | ​ | ​ | ​ | ​ | Cumulative Unrealized | ​ | Aggregate
​ | ​ ​ ​ | Cost | ​ ​ ​ | Gains | ​ ​ ​ | Losses | ​ ​ ​ | Fair Value
Equity securities | ​ | $ | 24,230,746 | ​ | $ | 5,029,080 | ​ | $ | — | ​ | $ | 29,259,826
Mutual funds | ​ | ​ | 10,319,644 | ​ | ​ | 84,574 | ​ | ​ | — | ​ | ​ | 10,404,218
Municipal bonds | ​ |  | 636,449 | ​ | ​ | 27,815 | ​ | ​ | — | ​ | ​ | 664,264
​ | ​ | $ | 35,186,839 | ​ | $ | 5,141,469 | ​ | $ | — | ​ | $ | 40,328,308

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