Note 4 - Investments - Fair Value of Investments (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Total Investments	$ 31,033,616	$ 28,033,306
Reported Value Measurement [Member]
Total Investments	31,033,616	28,033,306
Reported Value Measurement [Member] | Equity Securities and Hedge Funds [Member]
Total Investments	15,365,299	13,445,226
Reported Value Measurement [Member] | Fixed Maturities [Member]
Total Investments	15,668,317	14,588,080
Reported Value Measurement [Member] | Fixed Maturities [Member] | US Government Agencies Debt Securities [Member]
Total Investments	4,768,619	6,673,732
Reported Value Measurement [Member] | Fixed Maturities [Member] | US States and Political Subdivisions Debt Securities [Member]
Total Investments	3,211,802	1,902,940
Reported Value Measurement [Member] | Fixed Maturities [Member] | Corporate Debt Securities [Member]
Total Investments	7,687,896	6,011,408
Reported Value Measurement [Member] | Equity Securities [Member]
Total Investments	15,365,299	13,445,226
Estimate of Fair Value Measurement [Member]
Total Investments	31,033,616	28,033,306
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Total Investments	15,668,317	14,588,080
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Total Investments	15,365,299	13,445,226
Estimate of Fair Value Measurement [Member] | Equity Securities and Hedge Funds [Member]
Total Investments	15,365,299	13,445,226
Estimate of Fair Value Measurement [Member] | Fixed Maturities [Member]
Total Investments	15,668,317	14,588,080
Estimate of Fair Value Measurement [Member] | Fixed Maturities [Member] | US Government Agencies Debt Securities [Member]
Total Investments	4,768,619	6,673,732
Estimate of Fair Value Measurement [Member] | Fixed Maturities [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Total Investments	4,768,619	6,673,732
Estimate of Fair Value Measurement [Member] | Fixed Maturities [Member] | US States and Political Subdivisions Debt Securities [Member]
Total Investments	3,211,802	1,902,940
Estimate of Fair Value Measurement [Member] | Fixed Maturities [Member] | US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Total Investments	3,211,802	1,902,940
Estimate of Fair Value Measurement [Member] | Fixed Maturities [Member] | Corporate Debt Securities [Member]
Total Investments	7,687,896	6,011,408
Estimate of Fair Value Measurement [Member] | Fixed Maturities [Member] | Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Total Investments	7,687,896	6,011,408
Estimate of Fair Value Measurement [Member] | Equity Securities [Member]
Total Investments	15,365,299	13,445,226
Estimate of Fair Value Measurement [Member] | Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Total Investments	$ 15,365,299	$ 13,445,226