Note 9 - Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

	2021
	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs
Financial Assets:
Equity Securities –
Domestic Equities	$	6,822,808	$	---	$	---
International Equities		1,856,904		---		---
Others		462,645		---		---
	$	9,142,357	$	---	$	---

	2020
	Level 1 Inputs		Level 2 Inputs		Level 3 Inputs
Financial Assets:
Available-for-Sale Debt Securities –
U.S. Treasury Bills Maturing in 2021	$	---	$	1,515,234	$	---
Equity Securities –
Domestic Equities		1,506,514		---		---
International Equities		630,494		---		---
Others		399,474		---		---
	$	2,536,482	$	1,515,234	$	---