Investments (Tables)

6 Months Ended

Jun. 30, 2023

Investments [Abstract]

Cost And Estimated Fair Value Of Investments

	Cost		Gross unrealized gain		Gross unrealized loss		Fair value
June 30, 2023
Money Market Savings	$	1,434	$	0	$	0	$	1,434
Treasury Bills		7,904		43		0		7,947
Equity Securities		54		2		0		56
		9,392		45		0		9,437
Less Cash Equivalents		5,387		21		0		5,408
Total Investments, June 30, 2023	$	4,005	$	24	$	0	$	4,029
December 31, 2022
Commercial Paper	$	1,377	$	0	$	0	$	1,377
Treasury Bills		7,922		32		0		7,954
Equity Securities		54		2		0		56
		9,353		34		0		9,387
Less Cash Equivalents		7,319		32		0		7,351
Total Investments, December 31, 2022	$	2,034	$	2	$	0	$	2,036