Note 4 - Investments - Fixed Maturity and Securities in an Unrealized Loss Position and Aggregate Fair Value and Gross Unrealized Loss (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
12 months or greater, estimated fair value	$ 0	$ 0
12 months or greater, unrealized losses	0	0
Less than 12 months, estimated fair value	0	789,106
Less than 12 months, unrealized losses	0	(2,053)
Total estimated fair value	0	789,106
Total unrealized losses	0	(2,053)
Equity Securities and Hedge Funds [Member]
12 months or greater, estimated fair value	0	0
12 months or greater, unrealized losses	0	0
Less than 12 months, estimated fair value	0	0
Less than 12 months, unrealized losses	0	0
Total estimated fair value	0	0
Total unrealized losses	0	0
Equity Securities [Member]
12 months or greater, estimated fair value	0	0
12 months or greater, unrealized losses	0	0
Less than 12 months, estimated fair value	0	0
Less than 12 months, unrealized losses	0	0
Total estimated fair value	0	0
Total unrealized losses	0	0
Fixed Maturities [Member]
12 months or greater, estimated fair value	0	0
12 months or greater, unrealized losses	0	0
Less than 12 months, estimated fair value	0	789,106
Less than 12 months, unrealized losses	0	(2,053)
Total estimated fair value	0	789,106
Total unrealized losses	0	(2,053)
Fixed Maturities [Member] | US Government Agencies Debt Securities [Member]
12 months or greater, estimated fair value	0	0
12 months or greater, unrealized losses	0	0
Less than 12 months, estimated fair value	0	0
Less than 12 months, unrealized losses	0	0
Total estimated fair value	0	0
Total unrealized losses	0	0
Fixed Maturities [Member] | US States and Political Subdivisions Debt Securities [Member]
12 months or greater, estimated fair value	0	0
12 months or greater, unrealized losses	0	0
Less than 12 months, estimated fair value	0	0
Less than 12 months, unrealized losses	0	0
Total estimated fair value	0	0
Total unrealized losses	0	0
Fixed Maturities [Member] | Corporate Debt Securities [Member]
12 months or greater, estimated fair value	0	0
12 months or greater, unrealized losses	0	0
Less than 12 months, estimated fair value	0	789,106
Less than 12 months, unrealized losses	0	(2,053)
Total estimated fair value	0	789,106
Total unrealized losses	$ 0	$ (2,053)