3. INVESTMENTS IN MARKETABLE SECURITIES (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net realized and unrealized gain (loss) from investments in marketable securities is summarized below
Net realized gain (loss) from sales of securities	$ 290,000	$ (15,000)	$ 336,000	$ (7,000)
Unrealized net (loss) gainin trading securities	(542,000)	36,000	50,000	61,000
Total net(loss) gain from investments in marketable securities	$ (252,000)	$ 21,000	$ 386,000	$ 54,000