INVESTMENTS (Tables)

6 Months Ended

Jun. 30, 2015

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 in debt securities designated as available for sale, excluding investment in mutual funds and common stock of $501,000, classified by the contractual maturity date of the security as of June 30, 2015:

	Fair Value
Due within one year	$	225,000
Due one year through three years		2,218,000
Due after three years		301,000
	$	2,744,000

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, 2014 and June 30, 2015 are as follows:

			Unrealized		Unrealized		Fair
June 30, 2015	Cost		Gain		Loss		Value
Investments - short term
Available for sale
Mutual funds	$	455,000		-		(9,000)	$	446,000
U.S. Treasury Notes		225,000		-		-		225,000
Common stock		49,000		6,000		-		55,000
Total investments - short term		729,000		6,000		(9,000)		726,000
Marketable securities - long term
Available for sale
U.S. Treasury Notes		1,366,000		1,000		-		1,367,000
Government agency bonds		225,000		-		-		225,000
Corporate bonds and commercial paper		928,000		-		(1,000)		927,000
Total investments - long term		2,519,000		1,000		(1,000)		2,519,000
Total investments	$	3,248,000	$	7,000	$	(10,000)	$	3,245,000

			Unrealized		Unrealized		Fair
December 31, 2014	Cost		Gain		Loss		Value
Investments - short term
Available for sale
Mutual funds	$	1,706,000		-		(36,000)	$	1,670,000
Corporate bonds and commercial paper		824,000		1,000		-		825,000
U.S. Treasury Notes		680,000		-		-		680,000
Common stock		49,000		25,000		-		74,000
Total investments - short term		3,259,000		26,000		(36,000)		3,249,000
Marketable securities - long term
Available for sale
U.S. Treasury Notes		2,165,000		-		(3,000)		2,162,000
Government agency bonds		751,000		-		(3,000)		748,000
Corporate bonds and commercial paper		1,155,000		1,000		-		1,156,000
Total investments - long term		4,071,000		1,000		(6,000)		4,066,000
Total investments	$	7,330,000	$	27,000	$	(42,000)	$	7,315,000