Investments

3 Months Ended

Mar. 31, 2012

Investments [Abstract]

Investments

Note 4. Investments

The cost and estimated fair value of the Company's investments are as follows:

	Cost		Gross unrealized gain		Gross unrealized loss			Fair value
March 31, 2012
Commercial Paper	$	5,446,000	$	0	$	0		$	5,446,000
Equity Securities		101,000		3,770,000		(55,000	)		3,816,000
		5,547,000		3,770,000		(55,000	)		9,262,000
Less Cash Equivalents		5,446,000		0		0			5,446,000
Total Investments, March 31, 2012	$	101,000	$	3,770,000	$	(55,000	)	$	3,816,000
December 31, 2011
Commercial Paper	$	5,373,000	$	0	$	0		$	5,373,000
Equity Securities		101,000		3,134,000		(54,000	)		3,181,000
		5,474,000		3,134,000		(54,000	)		8,554,000
Less Cash Equivalents		5,373,000		0		0			5,373,000
Total Investments, December 31, 2011	$	101,000	$	3,134,000	$	(54,000	)	$	3,181,000

At March 31, 2012 and December 31, 2011, the Company's significant investment in equity securities was 343,267 shares of Rudolph Technologies, Inc. ("Rudolph"), which is accounted for under the available-for-sale method. As of March 31, 2012 and December 31, 2011, the aggregate value of the Company's Rudolph shares as reported on the Nasdaq Stock Market was approximately $3,814,000 and $3,134,000, respectively, with an approximate cost of $45,000.