Investments - Unrealized appreciation on investments (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Notes to Financial Statements
Gross unrealized appreciation of fixed maturities	$ 1,500,333	$ 74,248
Gross unrealized (depreciation) of fixed maturities	(3,034)	(1,466,699)
Net unrealized appreciation (depreciation) on investments	1,497,299	(1,392,451)
Deferred federal tax expense (benefit)	(314,433)	292,415
Net unrealized appreciation (depreciation), net of deferred income taxes	$ 1,182,866	$ (1,100,036)