Investments (Tables)

3 Months Ended

Mar. 31, 2013

Investments [Abstract]

Cost And Estimated Fair Value Of Investments

			Gross		Gross		Fair
			unrealized		unrealized		value
	Cost		gain		loss
March 31, 2013
Money Market	$	632,000	$	0	$	0	$	632,000
Commercial Paper		75,000		0		0		75,000
Treasury Bills		5,249,000		1,000		0		5,250,000
Equity Securities		91,000		3,098,000		(54,000)		3,135,000
		6,047,000		3,099,000		(54,000)		9,092,000
Less Cash Equivalents		707,000		0		0		707,000
Total Investments, March 31, 2013	$	5,340,000	$	3,099,000	$	(54,000)	$	8,385,000
December 31, 2012
Money Market	$	804,000	$	0	$	0	$	804,000
Commercial Paper		200,000		0		0		200,000
Treasury Bills		5,249,000		0		(1,000)		5,248,000
Equity Securities		92,000		3,639,000		(54,000)		3,677,000
		6,345,000		3,639,000		(55,000)		9,929,000
Less Cash Equivalents		1,004,000		0		0		1,004,000
Total Investments, December 31, 2012	$	5,341,000	$	3,639,000	$	(55,000)	$	8,925,000