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SHAREHOLDERS' EQUITY (Narrative) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 0 Months Ended 12 Months Ended
Oct. 11, 2010
Dec. 31, 2012
Dec. 31, 2011
Share Based Compensation Arrangement By Share Based Payment Award Line Items      
Shares held by subsidiary   5,189 5,189
Treasury stock, shares   30,843 30,843
Shares issued 643,277    
Aggregate purchase price $ 5,500    
Purchase price per share $ 8.55    
Ratio of common shares sold to warrants issued 3    
Maximum number of shares callable by warrants 214,426    
Exercise price of warrants 10.69    
Period before expiration 3 years 7 years  
In-the-money options outstanding   372,931  
Out of the money options outstanding   661,274  
In-the-money options exercisable   261,751  
Out of the money options exercisable   499,375  
Number of shares available for future grants   609,257  
Unrecognized balance of compensation expenses   224  
Unrecognized compensation expenses to be recognized by December 31, 2013   177  
Unrecognized compensation expenses to be recognized by December 31, 2016   $ 44  
Minimum [Member]
      
Share Based Compensation Arrangement By Share Based Payment Award Line Items      
Vesting period for plan   0 years  
Maximum [Member]
      
Share Based Compensation Arrangement By Share Based Payment Award Line Items      
Vesting period for plan   4 years