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v3.23.1

Investments (Details 4) - USD ($) | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Amortized cost | $ 7,766,140 | $ 8,266,334
Estimated fair value | 6,600,388 | 8,753,159
Less Than One Year [Member] |  |
Amortized cost | 708,535 | 994,712
Estimated fair value | 743,575 | 1,008,180
One To Five Years [Member] |  |
Amortized cost | 1,120,507 | 1,205,829
Estimated fair value | 1,088,522 | 1,290,465
Five To Ten Years [Member] |  |
Amortized cost | 1,402,704 | 1,513,942
Estimated fair value | 1,200,720 | 1,648,808
More Than 10 Years [Member] |  |
Amortized cost | 4,534,394 | 4,551,851
Estimated fair value | $ 3,567,571 | $ 4,805,706

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