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8. Warrants (Tables)
9 Months Ended
Jun. 30, 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 June 30, 2015    3,540,876    0.69    2.98   $6,508,276 
Exercisable at June 30, 2015    3,540,876    0.69    2.98   $6,508,276 
                       
Warrants outstanding and exercisable
Outstanding   Exercisable
Number of   Exercise   Number of   Exercise
Warrants   Price   Warrants   Price
1,631,886 $0.55   1,631,886 $0.55
535,716   0.56   535,716   0.56
371,487   0.81   371,487   0.81
1,001,787   0.95   1,001,787   0.95
3,540,876       3,540,876