FAIR VALUE OF FINANCIAL INSTRUMENTS - Cumulative unrealized gains and losses (Details) - USD ($)	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Cumulative unrealized gains and losses from Investments in debt and equity securities
Cost	$ 39,676,417		$ 24,800,998
Gross Unrealized Gains	96,677		4,856,316
Aggregate Fair Value	39,773,094		29,657,314
Unrealized losses on investments in debt and equity securities	4,800,000	$ 572,000
Equity securities
Cumulative unrealized gains and losses from Investments in debt and equity securities
Cost			22,913,739
Gross Unrealized Gains			4,778,720
Aggregate Fair Value			27,692,459
Mutual funds
Cumulative unrealized gains and losses from Investments in debt and equity securities
Cost	39,041,485		1,252,804
Gross Unrealized Gains	62,596		50,169
Aggregate Fair Value	39,104,081		1,302,973
Municipal bonds
Cumulative unrealized gains and losses from Investments in debt and equity securities
Cost	634,932		634,455
Gross Unrealized Gains	34,081		27,427
Aggregate Fair Value	$ 669,013		$ 661,882

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

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- Definition

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

+ References

No definition available.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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- Definition

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).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483467/210-10-45-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.4)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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