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12. Shareholders' Deficit (Details 2) (USD $)
 6 Months Ended 12 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Dec. 31, 2010
Warrants Outstanding      
Beginning Balance 120,355,242 59,530,245  
Exercised        
Granted 2,300,000 5,010,000  
Ending Balance 120,355,242 59,530,245  
Range of Exercise Prices      
Beginning Balance Minimum $ 0.14 $ 0.14  
Beginning Balance Maximum $ 1.5 $ 3.5  
Weighted Average Remaining Life in Years      
Beginning Balance 3 years 2 months 12 days 2 years 4 months 24 days  
Granted 5 years 5 years  
Weighted Average Exercise Price      
Beginning Balance $ 0.4 $ 2  
Exercised        
Granted $ 0.35 $ 0.54  
Ending Balance $ 0.4 $ 2  
Warrants Exercisable      
Beginning Balance 59,530,245    
Ending Balance 119,521,912 59,530,245  
Weighted Average Remaining Life in Years      
Beginning Balance 3 years 2 months 12 days 2 years  
Granted   5 years  
Weighted Average Exercise Price      
Beginning Balance $ 2    
Ending Balance $ 0.4 $ 2  
WarrantMember
      
Warrants Outstanding      
Beginning Balance     2,472,676
Exercised        
Ratchet-down impact 56,991,667    
Granted 3,833,330 57,057,569  
Ending Balance     2,472,676
Range of Exercise Prices      
Beginning Balance Minimum $ 0.65 $ 1  
Beginning Balance Maximum $ 2 $ 2  
Exercised        
Ratchet-down impact 0.3    
GrantedMinimum $ 0.3 $ 0.65  
GrantedMaximum $ 0.4 $ 1  
Ending Balance Minimum $ 0.3 $ 0.65  
Ending Balance Maximum $ 2 $ 2  
Weighted Average Remaining Life in Years      
Beginning Balance 3 years 6 months 4 years 4 months 24 days  
Granted 4 years 10 months 24 days 4 years 6 months  
Ending Balance 3 years 10 months 24 days 3 years 6 months  
Weighted Average Exercise Price      
Beginning Balance     $ 1.37
Exercised        
Ratchet-down impact $ 0.3    
Granted $ 0.32 $ 0.75  
Ending Balance     $ 1.37
Warrants Exercisable      
Beginning Balance   2,472,676  
Exercised        
Ratchet-down impact 56,991,667    
Granted 3,000,000 57,057,569  
Weighted Average Remaining Life in Years      
Beginning Balance 3 years 6 months 4 years 4 months 24 days  
Granted 4 years 10 months 24 days 4 years 6 months  
Ending Balance 3 years 10 months 24 days 3 years 6 months  
Weighted Average Exercise Price      
Beginning Balance   $ 1.37  
Exercised        
Ratchet-down impact $ 0.3    
Granted $ 0.32 $ 0.75