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v3.19.1

3. Investments (Details 1) - USD ($) | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Amortized Cost | $ 159,919,750 | $ 155,431,261
Estimated Fair Value | 160,477,152 | 151,777,516
Less Than One Year [Member] |  |
Amortized Cost | 14,232,940 | 6,742,519
Estimated Fair Value | 14,242,115 | 6,738,014
One To Five Years [Member] |  |
Amortized Cost | 43,224,501 | 47,038,838
Estimated Fair Value | 43,505,313 | 46,640,012
Five To Ten Years [Member] |  |
Amortized Cost | 77,839,224 | 76,884,505
Estimated Fair Value | 78,416,804 | 74,290,076
More Than 10 Years [Member] |  |
Amortized Cost | 2,974,872 | 2,974,426
Estimated Fair Value | 2,878,189 | 2,644,180
Residential mortgage-backed securities [Member] |  |
Amortized Cost | 21,648,213 | 21,790,973
Estimated Fair Value | $ 21,434,731 | $ 21,465,234

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