Note 2 - Investments (Details Textual)	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Proceeds from Sale, Maturity and Collection of Investments, Total	$ 460,583	$ 766,220	$ 3,371,416	$ 5,371,229
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	62		62
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss, Total	$ 246,985		$ 246,985
Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Total			0		$ 0
Mortgage Loans, Non-accrued Status	0		0		0
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans	0		0		0
Allowance for Loan and Lease Losses, Real Estate	0		0		$ 0
Debt and Equity Securities, Unrealized Gain (Loss), Total	(40,178)	730,964	63,119	(126,205)
Debt and Equity Securities, Realized Gain (Loss), Total	2,400	52,527	218,013	(172,351)
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net, Total	$ (238,754)	$ (138,529)	$ (483,874)	$ (138,529)
Bonds [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	29		29
Collateralized Mortgage Backed Securities [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	31		31
Redeemable Preferred Stock [Member]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	2		2

Amount of principal due on delinquent mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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-Section 12
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-Subsection 29

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The reserve to cover probable credit losses related to specifically identified fixed maturity real estate loans as well as probable credit losses inherent in the remainder of that loan portfolio.

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Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

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Amount of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in earnings and other comprehensive loss (OCI).

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