Note 7 - Investments in Equity Securities (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Gain (Loss) on Securities [Table Text Block]

					UNREALIZED			REALIZED
	BALANCE		ACQUISITIONS,		GAINS			GAINS			BALANCE
	AT		DISPOSITIONS		(LOSSES)			(LOSSES)			AT END
	BEGINNING		AND		INCLUDED			INCLUDED			OF
	OF YEAR		SETTLEMENTS		IN EARNINGS			IN EARNINGS			PERIOD
December 31, 2022	$	1,518,244	$	-	$	(860,273	)	$	-		$	657,971
Year-to-date September 30, 2023		657,971		-		29,244			(46,284	)		640,931