Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2022

Investments, Debt and Equity Securities [Abstract]

Marketable Securities [Table Text Block]

Marketable securities consisted of the following at September 30, 2022:


September 30, 2022		Amortized Cost				Unrealized Gain				Unrealized Loss				Fair Value
Marketable securities, available-for-sale:
U.S. Treasury obligations		$	20,725,462			$	50,836			$	(24,008	)		$	20,752,290

Total		$	20,725,462			$	50,836			$	(24,008	)		$	20,752,290