Note 4 - Investments (Tables)

12 Months Ended

Dec. 31, 2019

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, 2019
Fixed maturity investments:
U.S. government agency securities	$	4,731,181	$	38,524	$	(1,086	)	$	4,768,619
Obligations of U.S. states and political subdivisions		3,188,217		29,521		(5,936	)		3,211,802
Corporate debt securities		7,645,289		45,080		(2,473	)		7,687,896
Total fixed maturity investments		15,564,687		113,125		(9,495	)		15,668,317
Equity securities		10,889,683		4,854,179		(378,563	)		15,365,299
Total equity securities		10,889,683		4,854,179		(378,563	)		15,365,299
Total investments	$	26,454,370	$	4,967,304	$	(388,058	)	$	31,033,616

	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
December 31, 2018
Fixed maturity investments:
U.S. government agency securities	$	6,739,840	$	287	$	(66,395	)	$	6,673,732
Obligations of U.S. states and political subdivisions		1,908,719		7,735		(13,514	)		1,902,940
Corporate debt securities		6,157,868		—		(146,460	)		6,011,408
Total fixed maturity investments		14,806,427		8,022		(226,369	)		14,588,080
Equity securities		12,145,120		2,596,269		(1,296,163	)		13,445,226
Total equity securities		12,145,120		2,596,269		(1,296,163	)		13,445,226
Total investments	$	26,951,547	$	2,604,291	$	(1,522,532	)	$	28,033,306

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, 2019
Fixed maturity investments:
U.S. government agency securities	$	—	$	—		$	1,528,838	$	(1,086	)	$	1,528,838	$	(1,086	)
Obligations of states and political subdivisions		—		—			601,053		(5,936	)		601,053		(5,936	)
Corporate debt securities		743,360		(2,473	)		—		—			743,360		(2,473	)
Total fixed maturity investments		743,360		(2,473	)		2,129,891		(7,022	)		2,873,251		(9,495	)
Equity securities		336,321		(119,313	)		1,496,152		(259,250	)		1,832,473		(378,563	)
Total equity securities		336,321		(119,313	)		1,496,152		(259,250	)		1,832,473		(378,563	)
Total investments	$	1,079,681	$	(121,786	)	$	3,626,043	$	(266,272	)	$	4,705,724	$	(388,058	)

	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, 2018
Fixed maturity investments:
U.S. government agency securities	$	3,389,369	$	(55,015	)	$	2,788,235	$	(11,380	)	$	6,177,604	$	(66,395	)
Obligations of states and political subdivisions		766,118		(13,166	)		139,651		(348	)		905,769		(13,514	)
Corporate debt securities		4,498,396		(125,689	)		1,513,012		(20,771	)		6,011,408		(146,460	)
Total fixed maturity investments		8,653,883		(193,870	)		4,440,898		(32,499	)		13,094,781		(226,369	)
Equity securities		97,708		(40,981	)		5,683,065		(1,255,182	)		5,780,773		(1,296,163	)
Total equity securities		97,708		(40,981	)		5,683,065		(1,255,182	)		5,780,773		(1,296,163	)
Total investments	$	8,751,591	$	(234,851	)	$	10,123,963	$	(1,287,681	)	$	18,875,554	$	(1,522,532	)

Investments Classified by Contractual Maturity Date [Table Text Block]

	Amortized Cost		Estimated Fair Value
December 31, 2019
Due in one year or less	$	2,539,709	$	2,542,229
Due after one year through five years		12,518,738		12,619,593
Due after five years through ten years		506,240		506,495
Total	$	15,564,687	$	15,668,317

	Amortized Cost		Estimated Fair Value
December 31, 2018
Due in one year or less	$	4,434,013	$	4,429,510
Due after one year through five years		9,851,410		9,644,270
Due after five years through ten years		521,004		514,300
Total	$	14,806,427	$	14,588,080

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

	2019			2018
Total proceeds on sales of available-for-sale securities	$	4,412,518		$	4,045,798
Total proceeds from redemptions of hedge fund investments		—			6,491
Total proceeds from redemptions of fixed maturity investments		540,000			—
Total proceeds from maturities of fixed maturity investments		4,175,000			3,170,000
Gross gains on sales		1,497,860			1,566,109
Gross losses on sales		(598,373	)		(22,437	)
Impairment losses		—			—
Net unrealized losses on equity investments (1)		3,175,510			(3,792,844	)
Total	$	4,074,997		$	(2,249,172	)

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, 2019
U.S. government agency securities	$	4,768,619	$	4,768,619	$	—	$	4,768,619	$	—
Obligations of U.S. state and political subdivisions		3,211,802		3,211,802				3,211,802
Corporate debt securities		7,687,896		7,687,896				7,687,896
Total fixed maturity investments		15,668,317		15,668,317
Equity securities		15,365,299		15,365,299		15,365,299
Total equity securities		15,365,299		15,365,299
Total investments	$	31,033,616	$	31,033,616	$	15,365,299	$	15,668,317	$	—

					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, 2018
U.S. government agency securities	$	6,673,732	$	6,673,732	$	—	$	6,673,732	$	—
Obligations of U.S. state and political subdivisions		1,902,940		1,902,940				1,902,940
Corporate debt securities		6,011,408		6,011,408				6,011,408
Total fixed maturity investments		14,588,080		14,588,080
Equity securities		13,445,226		13,445,226		13,445,226
Total equity securities		13,445,226		13,445,226
Total investments	$	28,033,306	$	28,033,306	$	13,445,226	$	14,588,080	$	—

Condensed Cash Flow Statement [Table Text Block]

	2019			2018
Interest earned:
Fixed maturity investments	$	348,551		$	335,047
Short term investments and cash and cash equivalents		69,218			20,210
Dividends earned		209,307			175,688
Investment expenses		(148,965	)		(146,536	)
Net investment income	$	478,111		$	384,409