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Stockholders' Equity (Details 4) (USD $)
9 Months Ended
Jun. 30, 2012
Summary of warrant activity  
Number of warrants, Outstanding and exercisable at September 30, 2011 132,189
Number of warrants, Issued   
Number of warrants, Exercised (125,522)
Number of warrants, Expired   
Number of warrants, Outstanding and exercisable at June 30, 2012 6,667
Weighted-average exercise price, Outstanding and exercisable at September 30, 2011 $ 0.91
Weighted-average exercise price, Exercised $ 0.91
Weighted-average exercise price, Outstanding and exercisable at June 30, 2012 $ 0.91