FAIR VALUE OF FINANCIAL INSTRUMENTS - Assets designated as Investments in debt and equity securities (Details) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Fair value hierarchy of assets designated as Investments in debt and equity securities
Fair value of investments	$ 41,030,196	$ 29,657,314
Equity securities
Fair value hierarchy of assets designated as Investments in debt and equity securities
Fair value of investments	29,194,746	27,692,459
Mutual funds
Fair value hierarchy of assets designated as Investments in debt and equity securities
Fair value of investments	11,160,918	1,302,973
Municipal bonds
Fair value hierarchy of assets designated as Investments in debt and equity securities
Fair value of investments	674,532	661,882
Level 1
Fair value hierarchy of assets designated as Investments in debt and equity securities
Fair value of investments	41,030,196	29,657,314
Level 1 | Equity securities
Fair value hierarchy of assets designated as Investments in debt and equity securities
Fair value of investments	29,194,746	27,692,459
Level 1 | Mutual funds
Fair value hierarchy of assets designated as Investments in debt and equity securities
Fair value of investments	11,160,918	1,302,973
Level 1 | Municipal bonds
Fair value hierarchy of assets designated as Investments in debt and equity securities
Fair value of investments	$ 674,532	$ 661,882