Note 3 - Investments and Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Marketable Securities [Table Text Block]

	Level 1			Level 2		Level 3		Total
Balance at December 31, 2022	$	3,216,280		$	-	$	-	$	3,216,280
Purchases		6,418,134			-		-		6,418,134
Sales		(9,694,625	)		-		-		(9,694,625	)
Change in fair value		62,487			-		-		62,487
Balance at September 30, 2023	$	2,276		$	-	$	-	$	2,276