Investments (Tables)

12 Months Ended

Dec. 31, 2015

Investments [Abstract]

Cost And Estimated Fair Value Of Investments

			Gross		Gross		Fair
			unrealized		unrealized		value
	Cost		gain		loss
December 31, 2015
Money Market Funds	$	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
December 31, 2014
Money Market Funds	$	510	$	0	$	0	$	510
Commercial Paper		345		0		0		345
Treasury Bills		6,542		0		0		6,542
Equity Securities		72		1,238		(54)		1,256
		7,469		1,238		(54)		8,653
Less Cash Equivalents		855		0		0		855
Total Investments, December 31, 2014	$	6,614	$	1,238	$	(54)	$	7,798

Schedule Of Realized Gains And Losses On Investments

	Years Ended December 31,
	2015		2014
Gross Realized Gains	$	1,449	$	1,163
Gross Realized Losses		0		0
Net Realized Gain	$	1,449	$	1,163

Schedule Of Changes In Accumulated Other Comprehensive Income

	December 31,
	2015		2014
Unrealized Gains (Losses)
Unrealized holding gains (losses) arising during the period	$	211	$	(284)
Less: Reclassification of gains included in net income		(1,449)		(1,163)
		(1,238)		(1,447)
Deferred Taxes on Unrealized Gains (Losses):
Increase (decrease) in deferred taxes on unrealized gains (losses) arising during the period		80		(108)
Less: Reclassification of taxes on gains included in net income		(551)		(442)
		(471)		(550)
Net Change in Accumulated Other Comprehensive Income (Loss)	$	(767)	$	(897)