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EQUITY (Schedule of Stock Option Activity) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Employee [Member]
      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of options, Outstanding at beginning of year 4,996,438 4,204,114 4,187,555
Number of options, Granted 1,150,000 900,000 60,000
Number of options, Exercised (56,000)    (3,000)
Number of options, Expired (8,938) (37,937) (592)
Number of options, Forfeited (201,702) (69,739) (39,849)
Number of options, Outstanding at end of year 5,879,798 4,996,438 4,204,114
Number of options, Exerciable at end of year 4,150,546 4,030,521 3,903,132
Number of options, Vested and expected to vest at December 31, 2012 5,742,704    
Weighted average exercise price, Outstanding at beginning of year $ 5.50 $ 6.50 $ 6.80
Weighted average exercise price, Granted $ 3.40 $ 4.20 $ 4.80
Weighted average exercise price, Exercised $ 4.1   $ 5.3
Weighted average exercise price, Expired $ 77.6 $ 82.1 $ 1,113.3
Weighted average exercise price, Forfeited $ 5.7 $ 8.2 $ 14.5
Weighted average exercise price, Outstanding at end of year $ 5.00 $ 5.50 $ 6.50
Weighted average exercise price, Exercisable at end of year $ 5.6 $ 5.8 $ 6.6
Weighted average exercise price, Vested and expected to vest at December 31, 2012 $ 5.0    
Weighted average remaining contractual term, Outstanding at January 1, 2012 3 years 7 months 6 days 4 years  
Weighted average remaining contractual term, Outstanding at December 31, 2012 3 years 7 months 6 days 4 years  
Weighted average remaining contractual term, Exercisable at December 31, 2012 2 years 9 months 18 days    
Weighted average remaining contractual term, Vested and expected to vest at December 31, 2012 3 years 7 months 6 days    
Aggregate intrinsic value, Outstanding at January 1, 2012 $ 28    
Aggregate intrinsic value, Outstanding at December 31, 2012 3,831 28  
Aggregate intrinsic value, Exercisable at December 31, 2012 1,008    
Aggregate intrinsic value, Vested and expected to vest at December 31, 2012 3,580    
Non-Employee [Member]
      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of options, Outstanding at beginning of year 365,000 365,000   
Number of options, Granted 20,000    365,000
Number of options, Exercised         
Number of options, Expired         
Number of options, Forfeited (350,000)      
Number of options, Outstanding at end of year 35,000 365,000 365,000
Number of options, Exerciable at end of year 7,125 178,188 54,728
Number of options, Vested and expected to vest at December 31, 2012 29,563    
Weighted average exercise price, Outstanding at beginning of year $ 6.00 $ 6.00  
Weighted average exercise price, Granted $ 3.00   $ 6.00
Weighted average exercise price, Forfeited $ 6.0    
Weighted average exercise price, Outstanding at end of year $ 4.10 $ 6.00 $ 6.00
Weighted average exercise price, Exercisable at end of year $ 5.7 $ 6.0 $ 6.0
Weighted average exercise price, Vested and expected to vest at December 31, 2012 $ 4.2    
Weighted average remaining contractual term, Outstanding at January 1, 2012 5 years 1 month 6 days 5 years 3 months 18 days  
Weighted average remaining contractual term, Outstanding at December 31, 2012 5 years 1 month 6 days 5 years 3 months 18 days  
Weighted average remaining contractual term, Exercisable at December 31, 2012 4 years 7 months 6 days    
Weighted average remaining contractual term, Vested and expected to vest at December 31, 2012 5 years 1 month 6 days    
Aggregate intrinsic value, Outstanding at January 1, 2012       
Aggregate intrinsic value, Outstanding at December 31, 2012 46     
Aggregate intrinsic value, Exercisable at December 31, 2012       
Aggregate intrinsic value, Vested and expected to vest at December 31, 2012 $ 39