Investments - Securities in Unrealized Loss Position (Details)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
U.S. treasury securities
Fair value, less than 12 months	$ 1,760,491	$ 7,454,204
Fair value, 12 months or longer	8,496,069	0
Gross unrealized losses, less than 12 months	20,181	63,697
Gross unrealized losses, 12 months or longer	$ 123,101	$ 0
Number of securities in unrealized loss positions for less than 12 months	2	6
Number of securities in unrealized loss positions for 12 months or longer	6	0
Corporate securities
Fair value, less than 12 months	$ 10,878,381	$ 20,335,512
Fair value, 12 months or longer	21,189,487	0
Gross unrealized losses, less than 12 months	272,515	130,787
Gross unrealized losses, 12 months or longer	$ 578,609	$ 0
Number of securities in unrealized loss positions for less than 12 months	17	26
Number of securities in unrealized loss positions for 12 months or longer	27	0
Agency mortgage backed securities
Fair value, less than 12 months	$ 0	$ 21,737,589
Fair value, 12 months or longer	17,034,086	0
Gross unrealized losses, less than 12 months	0	152,407
Gross unrealized losses, 12 months or longer	$ 472,293	$ 0
Number of securities in unrealized loss positions for less than 12 months	0	17
Number of securities in unrealized loss positions for 12 months or longer	15	0
Total fixed maturities
Fair value, less than 12 months	$ 12,638,872	$ 49,527,305
Fair value, 12 months or longer	46,719,642	0
Gross unrealized losses, less than 12 months	292,696	346,891
Gross unrealized losses, 12 months or longer	$ 1,174,003	$ 0
Number of securities in unrealized loss positions for less than 12 months	19	49
Number of securities in unrealized loss positions for 12 months or longer	48	0