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FAIR VALUE OF FINANCIAL INSTRUMENTS - Unrealized gains and losses (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Cumulative unrealized gains and losses from Investments in debt and equity securities
Cost	$ 28,578,594		$ 28,578,594		$ 35,186,839
Cumulative Unrealized Gains	1,924,411		1,924,411		5,141,469
Aggregate Fair Value	30,503,005		30,503,005		40,328,308
Unrealized gain (loss) on debt and equity securities	2,383,779	$ 1,449,825	(3,217,058)	$ 1,402,660
Equity Securities
Cumulative unrealized gains and losses from Investments in debt and equity securities
Cost	24,391,134		24,391,134		24,230,746
Cumulative Unrealized Gains	1,838,051		1,838,051		5,029,080
Aggregate Fair Value	26,229,185		26,229,185		29,259,826
Mutual funds
Cumulative unrealized gains and losses from Investments in debt and equity securities
Cost	3,580,551		3,580,551		10,319,644
Cumulative Unrealized Gains	69,638		69,638		84,574
Aggregate Fair Value	3,650,189		3,650,189		10,404,218
Municipal bonds
Cumulative unrealized gains and losses from Investments in debt and equity securities
Cost	606,909		606,909		636,449
Cumulative Unrealized Gains	16,722		16,722		27,815
Aggregate Fair Value	$ 623,631		$ 623,631		$ 664,264

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Amount of accumulated gross unrealized gain on investments in debt securities, trading and equity securities measured at fair value.

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Amount of unrealized gain (loss) on investment in debt and equity securities.

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Cost of investment in debt investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value.

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Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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