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SHAREHOLDERS' EQUITY (Narrative)(Details) (USD $)
In Thousands, except Share data, unless otherwise specified
0 Months Ended 1 Months Ended 12 Months Ended 236 Months Ended
Mar. 13, 2007
Jan. 31, 2011
Mar. 31, 2010
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2012
SHAREHOLDERS' EQUITY [Abstract]              
Shares issued 1,937,983            
Shares issued, value $ 5,000         $ 16,968  
Price per share $ 2.58            
Shares entitled by warrants 1,453,485            
Warrants exercise price 3.05            
Warrants exercised   581,393 872,092        
Shares issued upon warrant exercise   581,393 336,134        
Share options issued             9,958,551
Exercised       131,922 436,601 557,407 3,834,167
Options cancelled       52,039 62,894 129,883 4,280,037
Options exercisable       867,134 634,252 697,336 867,134
Weighted-average fair value of options granted       $ 5.32 $ 5.94 $ 4.06  
Unrecognized compensation cost related to non-vested employee options       2,093     2,093
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares of common stock issued, vesting period       4 years      
Unrecognized compensation cost, recognition period       4 years      
RSU [Member]
             
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Unrecognized compensation cost related to unvested restricted shares       $ 89     $ 89
Unrecognized compensation cost, recognition period       4 years      
Annual vesting rate       25.00% 25.00%    
RSUs issued       346,619 331,451    
RSUs vested       236,224 153,812    
RSUs cancelled       3,425 1,350    
Maximum [Member]
             
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares of common stock issued, term       10 years