Investments - Investment Income and Net Realized Losses (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Notes to Financial Statements
Investment income from fixed maturities	$ 1,281,984	$ 862,783
Investment income from short-term investments	55,907	18,363
Total investment income	1,337,891	881,146
Investment expense	47,824	0
Investment income net of expenses	1,290,067	881,146
Net realized investment gains (losses)	528	(1,278)
Investment income and net realized losses	$ 1,290,595	$ 879,868