Note 2 - Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Fair Value, by Balance Sheet Grouping [Table Text Block]

		June 30, 2022				December 31, 2021
Financial Assets:	Level	Carrying Value		Fair Value		Carrying Value		Fair Value
Cash and cash equivalents	1	$	7,109,424	$	7,109,424	$	7,409,873	$	7,409,873
Equity investment in mutual funds	1		505,144		502,866		504,606		502,832
Total		$	7,614,568	$	7,612,290	$	7,914,479	$	7,912,705