Note 2 - Investments - Gross Unrealized Losses (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Debt Securities, Gross Unrealized Loss	$ (246,985)
Fixed Maturities [Member]
Available-for-sale securities, less than 12 months, fair value	9,602,808	$ 644,936
Available-for-sale securities, less than 12 months, unrealized loss	(246,985)	(700)
Available-for-sale securities, greater than 12 months, fair value	0	49,438
Available-for-sale securities, greater than 12 months, unrealized loss	0	(531)
Available-for-sale securities, fair value	9,602,808	694,374
Debt Securities, Gross Unrealized Loss	(246,985)	(1,231)
Available-for-sale securities, greater than 12 months, unrealized loss	(0)	531
Fixed Maturities [Member] \| Corporate Debt Securities [Member]
Available-for-sale securities, less than 12 months, fair value	4,428,031	210,625
Available-for-sale securities, less than 12 months, unrealized loss	(194,441)	(2)
Available-for-sale securities, greater than 12 months, fair value	0	49,438
Available-for-sale securities, greater than 12 months, unrealized loss	0	(531)
Available-for-sale securities, fair value	4,428,031	260,063
Debt Securities, Gross Unrealized Loss	(194,441)	(533)
Available-for-sale securities, greater than 12 months, unrealized loss	(0)	531
Fixed Maturities [Member] \| US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, less than 12 months, fair value	1,028,561	47,249
Available-for-sale securities, less than 12 months, unrealized loss	(15,738)	(496)
Available-for-sale securities, greater than 12 months, fair value	0	0
Available-for-sale securities, greater than 12 months, unrealized loss	0	0
Available-for-sale securities, fair value	1,028,561	47,249
Debt Securities, Gross Unrealized Loss	(15,738)	(496)
Available-for-sale securities, greater than 12 months, unrealized loss	0	0
Fixed Maturities [Member] \| Redeemable Preferred Stock [Member]
Available-for-sale securities, less than 12 months, fair value	540,975	77,918
Available-for-sale securities, less than 12 months, unrealized loss	(1,377)	(200)
Available-for-sale securities, greater than 12 months, fair value	0	0
Available-for-sale securities, greater than 12 months, unrealized loss	0	0
Available-for-sale securities, fair value	540,975	77,918
Debt Securities, Gross Unrealized Loss	(1,377)	(200)
Available-for-sale securities, greater than 12 months, unrealized loss	(0)	(0)
Fixed Maturities [Member] \| Collateralized Mortgage Backed Securities [Member]
Available-for-sale securities, less than 12 months, fair value	3,605,242	309,144
Available-for-sale securities, less than 12 months, unrealized loss	(35,429)	(2)
Available-for-sale securities, greater than 12 months, fair value	0	0
Available-for-sale securities, greater than 12 months, unrealized loss	0	0
Available-for-sale securities, fair value	3,605,242	309,144
Debt Securities, Gross Unrealized Loss	(35,429)	(2)
Available-for-sale securities, greater than 12 months, unrealized loss	$ (0)	$ (0)

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27337-111563

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456

+ Details

Name:	us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

+ Details

Name:	us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27337-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=124269663&loc=SL82922890-210455

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456

+ Details

Name:	us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

+ Details

Name:	us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27290-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=121590138&loc=SL82922954-210456

+ Details

Name:	us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

+ Details

Name:	us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_InvestmentTypeAxis=us-gaap_FixedMaturitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_RedeemablePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: