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TAXES ON INCOME (Uncertain Tax Positions) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
TAXES ON INCOME [Abstract]    
Uncertain tax positions, beginning of year $ 172 $ 379
Decreases in tax positions for prior years (172) (207)
Increases in tax positions for current year 31   
Uncertain tax positions, end of year $ 31 $ 172