INVESTMENTS (Tables)

9 Months Ended

Sep. 30, 2013

Cash and Cash Equivalents [Abstract]

Investments Classified by Contractual Maturity Date [Table Text Block]

The following table summarizes the estimated fair value of investment securities designated as available for sale, excluding investment in mutual funds of $1,377,000, classified by the contractual maturity date of the security as of September 30, 2013:

	Fair Value
Due within one year	$	1,869,000
Due one year through three years		5,513,000
Due after three years		305,000
	$	7,687,000

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

The cost, gross unrealized gains (losses) and fair value of available for sale securities by major security types as of December 31, 2012 and September 30, 2013 are as follows:

			Unrealized		Unrealized		Fair
September 30, 2013	Cost		Gain		Loss		Value
Investments - short term
Available for sale
U.S. Treasury Notes	$	861,000	$	2,000	$	-	$	863,000
Mutual funds		1,382,000		-		(5,000)		1,377,000
Corporate bonds and commercial paper		710,000		2,000		(1,000)		711,000
Government agency bonds		295,000		-		-		295,000
Total investments - short term		3,248,000		4,000		(6,000)		3,246,000
Marketable securities - long term
Available for sale
U.S. Treasury Notes		2,673,000		-		(2,000)		2,671,000
Government agency bonds		1,239,000		-		(6,000)		1,233,000
Corporate bonds and commercial paper		1,908,000		8,000		(2,000)		1,914,000
Total investments - long term		5,820,000		8,000		(10,000)		5,818,000
Total investments	$	9,068,000	$	12,000	$	(16,000)	$	9,064,000

December 31, 2012	Cost		Unrealized Gain		Unrealized Loss		Fair Value
Investments - short term
Available for sale
Government agency bonds	$	855,000	$	1,000	$	-	$	856,000
Mutual funds		649,000		20,000		-		669,000
Corporate bonds and commercial paper		1,608,000		1,000		(24,000)		1,585,000
U.S. Treasury Notes		1,679,000		5,000		-		1,684,000
Total available for sale - short term		4,791,000		27,000		(24,000)		4,794,000
Investments - long term
Available for sale
U.S. Treasury Notes		4,004,000		10,000		-		4,014,000
Government agency bonds		1,336,000		5,000		-		1,341,000
Corporate bonds and commercial paper		3,654,000		55,000		-		3,709,000
Total available for sale - long term		8,994,000		70,000		-		9,064,000
Total investments	$	13,785,000	$	97,000	$	(24,000)	$	13,858,000