Note 2 - Investments (Details Textual)	3 Months Ended	6 Months Ended
Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Proceeds from Sale, Maturity and Collection of Investments, Total	$ 1,128,044	$ 2,550,646	$ 4,170,514	$ 2,910,833
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	$ 3,795,537		$ 3,795,537		$ 283,345
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	196		196		76
Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Total			$ 0
Mortgage Loans, Non-accrued Status	$ 0		0
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans	0		0
Allowance for Loan and Lease Losses, Real Estate	0		0
Debt and Equity Securities, Unrealized Gain (Loss), Total	(1,013,834)	70,378	(1,463,629)	103,297
Debt and Equity Securities, Realized Gain (Loss), Total	1,264	163,217	623	215,613
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net, Total	$ (409,083)	$ (42,473)	$ (691,300)	$ (245,120)
Fixed Income Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	118		118		29
Collateralized Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	$ 568,668		$ 568,668		$ 70,259
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	62		62		41
Preferred Stock [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions	16		16		6

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Paragraph Column H
-Subsection 29

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 15
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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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The cash inflow associated with the sale, maturity and collection of all investments such as debt, security and so forth during the period.

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