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Investments - Schedule of Amortized Cost, Unrealized Gains and Losses, and Market Value of Investment Securities (Details) - USD ($) | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Cost | $ 170,445,342 | $ 186,637,592
Unrealized Gains | 780,943 | 3,251,708
Unrealized Losses | (3,288,765) | (4,526,077)
Market Value | 167,937,520 | 185,363,223
Short-Term Investments | Certificate of Deposit |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 1,000,000 | 1,000,000
Unrealized Gains | 0 | 0
Unrealized Losses | (4,162) | (5,987)
Market Value | 995,838 | 994,013
Short-Term Investments | Corporate Bonds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost |  | 1,976,195
Unrealized Gains |  | 0
Unrealized Losses |  | (32,309)
Market Value |  | 1,943,886
Short-Term Investments | Government Securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 4,608,148 | 4,754,495
Unrealized Gains | 0 | 21,141
Unrealized Losses | (17,025) | (16,129)
Market Value | 4,591,123 | 4,759,507
Short-Term Investments | Municipal Bonds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 5,137,053 | 1,749,038
Unrealized Gains | 0 | 0
Unrealized Losses | (57,789) | (22,380)
Market Value | 5,079,264 | 1,726,658
Short-Term Investments | Other |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 1,401,088 | 1,465,388
Unrealized Gains | 0 | 0
Unrealized Losses | 0 | 0
Market Value | 1,401,088 | 1,465,388
Long-Term Investments | Certificate of Deposit |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost |  | 750,000
Unrealized Gains |  |
Unrealized Losses |  | (1,642)
Market Value |  | 748,358
Long-Term Investments | Asset Backed Securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 40,635,021 | 26,923,803
Unrealized Gains | 343,922 | 331,847
Unrealized Losses | (253,907) | (109,146)
Market Value | 40,725,036 | 27,146,504
Long-Term Investments | Corporate Bonds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 63,561,430 | 66,214,398
Unrealized Gains | 203,037 | 748,471
Unrealized Losses | (931,647) | (1,558,529)
Market Value | 62,832,820 | 65,404,340
Long-Term Investments | Government Securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 8,434,018 | 6,217,774
Unrealized Gains | 17,187 | 10,675
Unrealized Losses | (71,124) | (1,320)
Market Value | 8,380,081 | 6,227,129
Long-Term Investments | Municipal Bonds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost | 45,668,584 | 58,261,615
Unrealized Gains | 216,797 | 811,128
Unrealized Losses | (1,953,111) | (2,735,822)
Market Value | $ 43,932,270 | 56,336,921
Long-Term Investments | Common Stock |  |
Debt Securities, Available-for-sale [Line Items] |  |
Cost |  | 17,324,886
Unrealized Gains |  | 1,328,446
Unrealized Losses |  | (42,813)
Market Value |  | $ 18,610,519

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