Marketable securities and other investments (Tables)

9 Months Ended

Sep. 30, 2022

Marketable securities and other investments (Tables)

Marketable Securities

	September 30, 2022									December 31, 2021
	Brokerage Account			Other Securities			Total			Brokerage Account			Other Securities			Total
Cost	$	6,441,772		$	9,300		$	6,451,072		$	10,428,724		$	120,800		$	10,549,524
Gross unrealized losses		(41,699	)		(4,806	)		(46,505	)		(840,881	)		(89,900	)		(930,781	)
Fair value	$	6,400,073		$	4,494			6,404,567		$	9,587,843		$	30,900		$	9,618,743