Fair Vaule of Financial Instruments - Fair Value of Invested Assets (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
U.S. treasury securities	$ 24,034,291	$ 20,069,556
Certificates of deposit	58,127,000	15,089,000
Total fixed maturities	82,161,291	35,158,556
Cash and short-term investments	15,975,298	72,568,570
Total financial instruments	98,136,589	107,727,126
Level 1
U.S. treasury securities	24,034,291	20,069,556
Certificates of deposit	0	0
Total fixed maturities	24,034,291	20,069,556
Cash and short-term investments	15,975,298	72,568,570
Total financial instruments	40,009,589	92,638,126
Level 2
U.S. treasury securities	0	0
Certificates of deposit	58,127,000	15,089,000
Total fixed maturities	58,127,000	15,089,000
Cash and short-term investments	0	0
Total financial instruments	58,127,000	15,089,000
Level 3
U.S. treasury securities	0	0
Certificates of deposit	0	0
Total fixed maturities	0	0
Cash and short-term investments	0	0
Total financial instruments	$ 0	$ 0