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Investments (Details 4) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Amortized cost	$ 7,765,096	$ 7,766,140
Estimated fair value	6,825,609	6,600,388
Less Than One Year [Member]
Amortized cost	708,744	708,535
Estimated fair value	747,483	743,575
One To Five Years [Member]
Amortized cost	1,120,700	1,120,507
Estimated fair value	1,098,253	1,088,522
Five To Ten Years [Member]
Amortized cost	1,405,680	1,402,704
Estimated fair value	1,215,945	1,200,720
More Than 10 Years [Member]
Amortized cost	4,529,972	4,534,394
Estimated fair value	$ 3,763,928	$ 3,567,571

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