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SHAREHOLDERS' EQUITY (Details 3) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Shares under Option      
Balance at the beginning of the period (in shares) 731,851 832,694 803,681
Granted (in shares) 117,611 143,602 109,347
Exercised (in shares) (328,403) (192,949) (59,334)
Canceled (in shares) (63,330) (51,496) (21,000)
Balance at the end of the period (in shares) 457,729 731,851 832,694
Weighted Average exercise price      
Balance at the beginning of the period (in dollars per share) $ 4.16 $ 3.97 $ 3.63
Granted (in dollars per share) $ 7.61 $ 6.86 $ 5.78
Exercised (in dollars per share) $ 2.97 $ 4.20 $ 3.06
Canceled (in dollars per share) $ 6.61 $ 8.94 $ 4.10
Balance at the end of the period (in dollars per share) $ 5.31 $ 4.16 $ 3.97