ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Foreign currency items - Balance, at beginning of period			$ (20,000)
Foreign currency items - Net current period change			(86,000)
Foreign currency items - Balance, at end of period	(106,000)		(106,000)
Unrealized gain (losses) on investments - Balance, at beginning of period			73,000
Unrealized gain (losses) on investments - Net current period change	(61,000)	(8,000)	(98,000)	55,000
Unrealized gain (losses) on investments - Balance, at end of period	(25,000)		(25,000)
Accumulated other comprehensive income - Balance, at beginning of period			53,000
Accumulated other comprehensive income - Net current period change	(83,000)	(150,000)	(184,000)	(45,000)
Accumulated other comprehensive income - Balance, at end of period	$ (131,000)		$ (131,000)