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4. INVESTMENTS IN MARKETABLE SECURITIES (Tables)
6 Months Ended
Jun. 30, 2013
Investments, Debt and Equity Securities [Abstract]  
Schedule of net realized and unrealized gain (loss) from investments in marketable securities

 

Three months ended
June 30,
Six months ended
June 30,
Description 2013 2012 2013 2012
Net realized gain from sales of securities $ 11,000 $ 18,000 $ 8,000 $ 68,000
Unrealized net (loss) gain in trading securities (81,000 ) (13,000 ) 25,000 29,000
Total net (loss) gain from investments in marketable securities $ (70,000 ) $ 5,000 $ 33,000 $ 97,000