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SIGNIFICANT ACCOUNTING POLICIES (Details 3) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Investment in Available-For-Sale Securities      
Total cumulative net unrealized gain on all investments in equity and debt securities $ 27,000 $ 24,000  
Sales proceeds and gross realized gains and losses on available-for-sale securities      
Sales proceeds $ 0 266,000 $ 19,000
Gross realized gains   $ 134,000 $ 6,000