Note B - Investments (Tables)

3 Months Ended

Mar. 31, 2013

Note B - Investments Tables

Investments

	March 31, 2013						December 31, 2012
	Amortized cost			Fair value			Amortized cost			Fair value
Corporate bonds	$	2,964,000		$	2,977,000		$	5,247,000		$	5,262,000
Municipal bonds		500,000			500,000			1,501,000			1,501,000
Total investments		3,464,000			3,477,000			6,748,000			6,763,000
Less: current investments		(3,013,000	)		(3,024,000	)		(4,786,000	)		(4,794,000	)
Non-current investments	$	451,000		$	453,000		$	1,962,000		$	1,969,000