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SHARE CAPITAL (Schedule of Assumptions Used to Value Options) (Details) (USD $)
6 Months Ended 12 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
The following are the data and assumptions used:        
Dividend yield 0.00% 0.00% 0.00% 0.00%
Expected volatility 50.00% 50.00% 50.00% 50.00%
Risk free interest rate 2.00% 2.00% 2.00% 2.00%
Expected term (years), minimum 3 5 5 5
Expected term (years), maximum 6 6 6 6
Exercise prices $ 6.25 $ 6.25    $ 5.52
Share price $ 6.25 $ 6.25   $ 5.52
Fair value $ 3.08 $ 3.08   $ 1.42
Minimum [Member]
       
The following are the data and assumptions used:        
Exercise prices     $ 6.02  
Share price     $ 6.02  
Fair value     $ 2.81  
Maximum [Member]
       
The following are the data and assumptions used:        
Exercise prices     $ 6.25  
Share price     $ 6.25  
Fair value     $ 3.08