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8. Warrants (Tables)
6 Months Ended
Mar. 31, 2015
Warrants and Rights Note Disclosure [Abstract]  
Warrant activity
      Number of Units     Weighted Average Exercise Price     Weighted Average Remaining Contractual Term (in years)     Intrinsic Value  
Outstanding at September 30, 2014       2,866,506     $ 0.63       3.39          
Granted       674,370       0.95                  
Exercised                                
Outstanding at March 31, 2015       3,540,876       0.69       3.23     $ 8,703,619  
Exercisable at March 31, 2015       3,540,876       0.69       3.23     $ 8,703,619