Note 4 - Investments (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
December 31, 2021
Fixed maturity investments:
U.S. government agency securities	$	—	$	—	$	—	$	—
Obligations of U.S. states and political subdivisions		—		—		—		—
Corporate debt securities		—		—		—		—
Total fixed maturity investments		—		—		—		—
Total equity securities		—		—		—		—
Total investments	$	—	$	—	$	—	$	—

	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
December 31, 2020
Fixed maturity investments:
U.S. government agency securities	$	2,551,741	$	39,421	$	—		$	2,591,162
Obligations of U.S. states and political subdivisions		10,157,542		337,695		—			10,495,237
Corporate debt securities		7,051,948		207,833		(2,053	)		7,257,728
Total fixed maturity investments		19,761,231		584,949		(2,053	)		20,344,127
Total equity securities		—		—		—			—
Total investments	$	19,761,231	$	584,949	$	(2,053	)	$	20,344,127

Schedule of Unrealized Loss on Investments [Table Text Block]

12 months or greater

Less than 12 months

Total

Estimated Fair Value

Unrealized Losses

Estimated Fair Value

Unrealized Losses

Estimated Fair Value

Unrealized Losses

December 31, 2021

Fixed maturity investments:

U.S. government agency securities

$

—

$

—

$

—

$

—

$

—

$

—

Obligations of states and political subdivisions

—

—

—

—

—

—

Corporate debt securities

—

—

—

—

—

—

Total fixed maturity investments

—

—

—

—

—

—

Equity securities

—

—

—

—

—

—

Total equity securities

—

—

—

—

—

—

Total investments

$

—

$

—

$

—

$

—

$

—

$

—

	12 months or greater				Less than 12 months					Total
	Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses			Estimated Fair Value		Unrealized Losses
December 31, 2020
Fixed maturity investments:
U.S. government agency securities	$	—	$	—	$	—	$	—		$	—	$	—
Obligations of states and political subdivisions		—		—		—		—			—		—
Corporate debt securities		—		—		789,106		(2,053	)		789,106		(2,053	)
Total fixed maturity investments		—		—		789,106		(2,053	)		789,106		(2,053	)
Equity securities		—		—		—		—			—		—
Total equity securities		—		—		—		—			—		—
Total investments	$	—	$	—	$	789,106	$	(2,053	)	$	789,106	$	(2,053	)

12 months or greater

Less than 12 months

Total

Estimated Fair Value

Unrealized Losses

Estimated Fair Value

Unrealized Losses

Estimated Fair Value

Unrealized Losses

Equity securities

—

—

—

—

—

—

Total equity securities

—

—

—

—

—

—

Total investments

$

—

$

—

$

—

$

—

$

—

$

—

Investments Classified by Contractual Maturity Date [Table Text Block]

	Amortized Cost		Estimated Fair Value
December 31, 2021
Due in one year or less	$	—	$	—
Due after one year through five years		—		—
Due after five years through ten years		—		—
Due after ten years		—		—
Total	$	—	$	—

	Amortized Cost		Estimated Fair Value
December 31, 2020
Due in one year or less	$	2,623,260	$	2,637,533
Due after one year through five years		12,982,049		13,388,495
Due after five years through ten years		3,700,157		3,843,880
Due after ten years		455,765		474,219
Total	$	19,761,231	$	20,344,127

Realized Gain (Loss) on Investments [Table Text Block]

	2021			2020
Total proceeds on sales of available-for-sale securities	$	1,684,014		$	14,941,172
Total proceeds from redemptions of fixed maturity investments		21,650,652			3,362,080
Total proceeds from maturities of fixed maturity investments		2,336,000			2,535,000
Gross gains on sales		499,859			4,346,482
Gross losses on sales		(72,926	)		(1,635,142	)
Net unrealized (losses) gains on equity investments		—			(4,475,616	)
Total	$	426,933		$	(1,764,276	)

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

					Fair value measurement using:
	Carrying amount		Total fair value		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
December 31, 2021
U.S. government agency securities	$	—	$	—	$	—	$	—	$	—
Obligations of U.S. state and political subdivisions		—		—				—
Corporate debt securities		—		—				—
Total fixed maturity investments		—		—
Equity securities		—		—
Total equity securities		—		—
Total investments	$	—	$	—	$	—	$	—	$	—

					Fair value measurement using:
	Carrying amount		Total fair value		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
December 31, 2020
U.S. government agency securities	$	2,591,162	$	2,591,162	$	—	$	2,591,162	$	—
Obligations of U.S. state and political subdivisions		10,495,237		10,495,237				10,495,237
Corporate debt securities		7,257,728		7,257,728				7,257,728
Total fixed maturity investments		20,344,127		20,344,127
Equity securities		—		—
Total equity securities		—		—
Total investments	$	20,344,127	$	20,344,127	$	—	$	20,344,127	$	—

Condensed Cash Flow Statement [Table Text Block]

	2021			2020
Interest earned:
Fixed maturity investments	$	235,090		$	347,488
Short term investments and cash and cash equivalents		7,637			11,600
Dividends earned		13,508			134,457
Investment expenses		(50,384	)		(109,735	)
Net investment income	$	205,851		$	383,810