Investments (Summary of Amortized Cost and Fair Value of Securities by Contractual Maturity) (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Investments [Abstract]
Due in one year or less, amortized cost	$ 1,061,657
Due after one year through five years, amortized cost	23,542,852
Due after five years through 10 years, amortized cost	11,577,116
Due after 10 years, amortized cost	18,429,974
Asset and mortgage backed securities without a specific due date, amortized cost	35,266,105
Fixed maturity securities, amortized cost	89,877,704	$ 87,773,047
Due in one year or less, fair value	1,061,993
Due after one year through five years, fair value	23,690,082
Due after five years through 10 years, fair value	11,742,908
Due after 10 years, fair value	18,767,338
Asset and mortgage backed securities witout a specific due date, fair value	34,779,944
Fixed maturity securities, fair value	$ 90,042,265	$ 89,605,073