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MARKETABLE SECURITIES (Details 3) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Unrealized loss from available-for-sale securities $ 119us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax $ 170us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax $ (56)us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
Other Comprehensive Income (Loss) [Member]      
Other comprehensive income from available-for-sale securities 327us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
/ us-gaap_OtherComprehensiveIncomeLocationAxis
= us-gaap_OtherComprehensiveIncomeMember		 173us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
/ us-gaap_OtherComprehensiveIncomeLocationAxis
= us-gaap_OtherComprehensiveIncomeMember		  
Unrealized loss from available-for-sale securities (8)us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
/ us-gaap_OtherComprehensiveIncomeLocationAxis
= us-gaap_OtherComprehensiveIncomeMember		 154us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
/ us-gaap_OtherComprehensiveIncomeLocationAxis
= us-gaap_OtherComprehensiveIncomeMember		  
Other comprehensive income from available-for-sale securities $ 319us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
/ us-gaap_OtherComprehensiveIncomeLocationAxis
= us-gaap_OtherComprehensiveIncomeMember		 $ 327us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
/ us-gaap_OtherComprehensiveIncomeLocationAxis
= us-gaap_OtherComprehensiveIncomeMember