Investments (Tables)

6 Months Ended

Jun. 30, 2016

Investments [Abstract]

Cost And Estimated Fair Value Of Investments

			Gross		Gross
			unrealized		unrealized		Fair
	Cost		gain		loss		value
June 30, 2016
Money Market	$	240	$	0	$	0	$	240
Commercial Paper		105		0		0		105
Treasury Bills		7,478		10		0		7,488
Equity Securities		54		0		(54)		0
		7,877		10		(54)		7,833
Less Cash Equivalents		345		0		0		345
Total Investments, June 30, 2016	$	7,532	$	10	$	(54)	$	7,488
December 31, 2015
Money Market	$	246	$	0	$	0	$	246
Commercial Paper		247		0		0		247
Treasury Bills		7,876		0		(4)		7,872
Equity Securities		54		0		(54)		0
		8,423		0		(58)		8,365
Less Cash Equivalents		493		0		0		493
Total Investments, December 31, 2015	$	7,930	$	0	$	(58)	$	7,872