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OTHER CURRENT LIABILITIES (Schedule of Other Current Liabilities)(Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
OTHER CURRENT LIABILITIES [Abstract]      
Accrued salaries and fringe benefits $ 4,824 $ 3,869  
Accrued warranty costs (See B below) 1,994 2,044 2,347
Governmental institutions 1,356 1,066  
Investment in financial instruments    402  
Other 270 701  
Other current liabilities $ 8,444 $ 8,082