Note 3 - Investments (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Investments Classified by Contractual Maturity Date [Table Text Block]

	Available-for-Sale
	Amortized		Fair		% of Total
March 31, 2019	Cost		Value		Fair Value
Maturity dates occurring:
Less than 1 year	$	350,000	$	350,000		5.3	%
Years 1-5		3,828,690		3,831,336		57.9	%
Years 5-10		2,354,646		2,343,365		35.4	%
Due after ten years		95,610		93,948		1.4	%
Total	$	6,628,946	$	6,618,649		100.0	%

	Available-for-Sale
	Amortized		Fair		% of Total
December 31, 2018	Cost		Value		Fair Value
Maturity dates occurring:
Less than 1 year	$	400,000	$	400,898		4.4	%
Years 1-5		6,122,513		5,986,448		65.8	%
Years 5-10		2,731,661		2,620,761		28.8	%
Due after ten years		98,468		93,898		1.0	%
Total	$	9,352,642	$	9,102,005		100.0	%

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

	Available-for-Sale
	Cost or		Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
March 31, 2019	Cost		Gain		Loss			Value
Money market fund	$	664,549						$	664,549
Certificates of deposit, short term		350,000							350,000
Certificates of deposit, fixed maturities		349,951							349,951
Corporate bonds, fixed maturities		5,928,995	$	54,194	$	(64,490	)		5,918,699
Total investments	$	7,293,495	$	54,194	$	(64,490	)	$	7,283,199

	Available-for-Sale
	Cost or		Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
December 31, 2018	Cost		Gain		Loss			Value
Money market fund	$	454,224						$	454,224
Certificates of deposit, short term		400,000	$	808					400,808
Certificates of deposit, fixed maturities		499,941							499,941
Corporate bonds, fixed maturities		8,452,701		10,556	$	(262,001	)		8,201,256
Total investments	$	9,806,866	$	11,364	$	(262,001	)	$	9,556,229