INVESTMENTS AND FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2013

Investments, Debt and Equity Securities [Abstract]

Schedule of Fair Value of Available for Sale Securities Excluding Mutual Funds [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 $1,382,000, classified by the contractual maturity date of the security as of December 31, 2013:

	Fair Value
Due within one year	$	2,708,000
Due one year through three years		2,824,000
Due after three years		276,000
	$	5,808,000

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

The cost, gross unrealized gains (losses) and fair value of available for sale, held-to-maturity and trading by major security type at December 31, 2012 and 2013 were as follows:

			Unrealized		Unrealized		Fair
December 31, 2013	Cost		Gain		Loss		Value
Investments - short term
Available for sale
Government agency bonds	$	419,000	$	-	$	-	$	419,000
Mutual funds		1,386,000		-		(4,000)		1,382,000
Corporate bonds and commercial paper		590,000		1,000		(1,000)		590,000
U.S. Treasury Notes		1,697,000		2,000		-		1,699,000
Total available for sale - short term		4,092,000		3,000		(5,000)		4,090,000
Investments - long term
Available for sale
U.S. Treasury Notes		930,000		-		(4,000)		926,000
Government agency bonds		612,000		-		(7,000)		605,000
Corporate bonds and commercial paper		1,565,000		5,000		(1,000)		1,569,000
Total available for sale - long term		3,107,000		5,000		(12,000)		3,100,000
Total investments	$	7,199,000	$	8,000	$	(17,000)	$	7,190,000

				Unrealized		Unrealized		Fair
December 31, 2012		Cost		Gain		Loss		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