INVESTMENTS AND FAIR VALUE MEASUREMENTS (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Total	$ 7,190,000	$ 13,858,000
Unrealized gain (loss) on available-for-sale marketable securities	(55,000)	78,000	7,000
Short-Term Debt [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Total	4,090,000	4,794,000
Mutual Fund [Member] | Short-Term Debt [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Total	$ 1,382,000	$ 669,000