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Equity Instruments (Details) (Warrants [Member], USD $)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Dec. 31, 2010
Warrants [Member]
                   
Schedule of Warrant activity                    
Share-based compensation arrangement by share-based payment award, options, outstanding, beginning balance 38,682,583 40,982,583 41,057,583 27,784,250 28,351,250 27,209,750 41,057,583 27,209,750 27,209,750  
Share-based compensation arrangement by share-based payment award, options, outstanding, weighted average exercise price, beginning balance $ 0.35 $ 0.35 $ 0.35 $ 0.37 $ 0.4 $ 0.38 $ 0.35 $ 0.38 $ 0.38  
Weighted-average remaining contractual term outstanding beginning balance 4 years 5 months 5 days 4 years 6 months 29 days 4 years 7 months 10 days 3 years 6 months 26 days 3 years 9 months 7 days 4 years 18 days     4 years 10 months 10 days 4 years 3 months
Shares forfeited or expired (2,075,000) (2,300,000) (100,000)   (1,000,000) (650,000)        
Shares granted 100,000   25,000 3,373,333 433,000 1,291,500        
Weighted-average exercise price granted $ 0.25   $ 0.25 $ 0.44 $ 0.25 $ 0.89        
Weighted-average exercise price forfeited $ 0.63 $ 0.32 $ 0.53   $ 1 $ 0.51        
Share-based compensation arrangement by share-based payment award, options, outstanding, ending balance 36,707,583 38,682,583 40,982,583 31,157,583 27,784,250 28,351,250 36,707,583 31,157,583 41,057,583 27,209,750
Share-based compensation arrangement by share-based payment award, options, outstanding, weighted average exercise price, ending balance $ 0.33 $ 0.35 $ 0.35 $ 0.38 $ 0.37 $ 0.4 $ 0.33 $ 0.38 $ 0.35 $ 0.38
Weighted-average remaining contractual term outstanding ending balance 4 years 5 months 5 days 4 years 6 months 29 days 4 years 7 months 10 days 3 years 6 months 26 days 3 years 9 months 7 days 4 years 18 days     4 years 10 months 10 days 4 years 3 months
Shares exercisable ending balance 36,640,583     29,357,583     36,640,583 29,357,583    
Weighted-average exercise price exercisable ending $ 0.33     $ 0.35     $ 0.33 $ 0.35    
Weighted average remaining contractual term exercisable ending             4 years 5 months 5 days 3 years 6 months 22 days    
Shares reclassified           500,000        
Weighted-average exercise price reclassified           $ 0.55