Fair Vaule of Financial Instruments - Fair Value of Invested Assets (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
U.S. treasury securities	$ 5,086,806	$ 23,538,002
Certificates of deposit	6,849,000	10,090,000
Total fixed maturities	11,935,806	33,628,002
Cash and short-term investments	94,183,705	86,416,755
Total financial instruments	106,119,511	120,044,757
Level 1
U.S. treasury securities	5,086,806	23,538,002
Certificates of deposit	0	0
Total fixed maturities	5,086,806	23,538,002
Cash and short-term investments	94,183,705	86,416,755
Total financial instruments	99,270,511	109,954,757
Level 2
U.S. treasury securities	0	0
Certificates of deposit	6,849,000	10,090,000
Total fixed maturities	6,849,000	10,090,000
Cash and short-term investments	0	0
Total financial instruments	6,849,000	10,090,000
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