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14. Shareholders' Deficit (Details 2) (USD $)
 3 Months Ended 12 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Warrants Outstanding      
Beginning Balance 7,943,523 7,943,523 12,169,852
Exercised        
Granted    3,050,000  
Ending Balance 7,943,523 7,943,523 12,169,852
Range of Exercise Prices      
Beginning Balance Minimum $ 0.35 $ 0.14  
Beginning Balance Maximum $ 0.54 $ 1.50  
Weighted Average Remaining Life in Years      
Beginning Balance 3 years 2 months 12 days 3 years 2 months 12 days  
Exercised 0 years 0 years  
Granted 0 years 4 years 6 months  
Weighted Average Exercise Price      
Beginning Balance $ 0.46 $ 0.46 $ 0.49
Exercised        
Granted    $ 0.36  
Ending Balance $ 0.46 $ 0.46 $ 0.49
Weighted Average Remaining Life in Years      
Beginning Balance 2 years 10 months 24 days 3 years 2 months 12 days  
Exercised 0 years 0 years  
Granted 0 years 4 years 6 months  
WarrantMember
      
Warrants Outstanding      
Beginning Balance 132,285,242 132,285,242 59,530,245
Exercised        
Ratchet-down impact    56,991,667  
Granted    15,763,330  
Ending Balance 132,285,242 132,285,242 59,530,245
Range of Exercise Prices      
Beginning Balance Minimum $ 0.30 $ 0.65  
Beginning Balance Maximum $ 2.00 $ 2.00  
Exercised        
Ratchet-down impact    0.30  
GrantedMinimum    $ 0.30  
GrantedMaximum    $ 0.75  
Ending Balance Minimum $ 0.30 $ 0.30  
Ending Balance Maximum $ 2.00 $ 2.00  
Weighted Average Remaining Life in Years      
Beginning Balance 3 years 6 months 3 years 6 months  
Exercised 0 years 0 years  
Ratchet-down impact        
Granted 0 years 4 years 7 months 6 days  
Ending Balance 4 years 3 months 18 days 3 years 6 months  
Weighted Average Exercise Price      
Beginning Balance $ 0.38 $ 0.40 $ 2.00
Exercised        
Ratchet-down impact    $ 0.30  
Granted    $ 0.38  
Ending Balance $ 0.38 $ 0.40 $ 2.00
Warrants Exercisable      
Beginning Balance 2,472,676 59,530,245  
Exercised        
Ratchet-down impact    56,991,667  
Granted    10,388,330  
Vested 2,529,999    
Ending Balance 129,440,242 126,910,242 2,472,676
Weighted Average Remaining Life in Years      
Beginning Balance 3 years 6 months 3 years 6 months  
Exercised 0 years 0 years  
Granted 0 years 4 years 7 months 6 days  
Ending Balance 3 years 2 months 12 days 3 years 6 months  
Weighted Average Exercise Price      
Beginning Balance $ 0.38 $ 2.00  
Exercised        
Ratchet-down impact    $ 0.30  
Granted        
Ending Balance $ 0.38 $ 0.38 $ 1.37