Note 4 - Investments - Fair Value of Investments (Details)	Dec. 31, 2020 USD ($)
Total Investments	$ 20,344,127
Reported Value Measurement [Member]
Total Investments	20,344,127
Reported Value Measurement [Member] | Fixed Maturities [Member]
Total Investments	20,344,127
Reported Value Measurement [Member] | Fixed Maturities [Member] | US Government Agencies Debt Securities [Member]
Total Investments	2,591,162
Reported Value Measurement [Member] | Fixed Maturities [Member] | US States and Political Subdivisions Debt Securities [Member]
Total Investments	10,495,237
Reported Value Measurement [Member] | Fixed Maturities [Member] | Corporate Debt Securities [Member]
Total Investments	7,257,728
Estimate of Fair Value Measurement [Member]
Total Investments	20,344,127
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Total Investments	20,344,127
Estimate of Fair Value Measurement [Member] | Fixed Maturities [Member]
Total Investments	20,344,127
Estimate of Fair Value Measurement [Member] | Fixed Maturities [Member] | US Government Agencies Debt Securities [Member]
Total Investments	2,591,162
Estimate of Fair Value Measurement [Member] | Fixed Maturities [Member] | US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Total Investments	2,591,162
Estimate of Fair Value Measurement [Member] | Fixed Maturities [Member] | US States and Political Subdivisions Debt Securities [Member]
Total Investments	10,495,237
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	10,495,237
Estimate of Fair Value Measurement [Member] | Fixed Maturities [Member] | Corporate Debt Securities [Member]
Total Investments	7,257,728
Estimate of Fair Value Measurement [Member] | Fixed Maturities [Member] | Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Total Investments	$ 7,257,728