Investments (Tables)

9 Months Ended

Sep. 30, 2022

Investments [Abstract]

Cost And Estimated Fair Value Of Investments

	Cost		Gross unrealized gain		Gross unrealized loss		Fair value
September 30, 2022
Commercial Paper	$	1,198	$	0	$	0	$	1,198
Treasury Bills		7,956		10		0		7,966
Equity Securities		54		2		0		56
		9,208		12		0		9,220
Less Cash Equivalents		9,154		10		0		9,164
Total Investments, September 30, 2022	$	54	$	2	$	0	$	56
December 31, 2021
Commercial Paper	$	1,520	$	0	$	0	$	1,520
Treasury Bills		8,000		0		0		8,000
Equity Securities		54		2		0		56
		9,574		2		0		9,576
Less Cash Equivalents		6,520		0		0		6,520
Total Investments, December 31, 2021	$	3,054	$	2	$	0	$	3,056