Quarterly report pursuant to Section 13 or 15(d)

10. Series B Convertible Preferred Stock Warrants (Tables)

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10. Series B Convertible Preferred Stock Warrants (Tables)
9 Months Ended
Jun. 30, 2017
Warrants and Rights Note Disclosure [Abstract]  
Warrant activity
      Number of units - Series B Convertible preferred warrants    

Weighted

Average

Exercise
Price

    Weighted Average Remaining Contractual Term (in years)     Intrinsic Value  
  Outstanding at September 30, 2016       118,029     $ 20.80       1.73     $ 4,307,493  
  Granted                                 
  Exercised                                
  Outstanding at June 30, 2017       118,029     $ 10.34       0.98     $ 3,646,530  
  Exercisable at June 30, 2017       118,029     $ 10.34       0.98     $ 3,646,530  
Warrants outstanding and exercisable
Series B Convertible Preferred  
Outstanding     Exercisable  
Number of     Exercise     Number of     Exercise  
Warrants     Price     Warrants     Price  
  54,396     $ 16.60       54,396     $ 16.60  
  17,857       16.80       17,857       16.80  
  12,383       24.30       12,383       24.30  
  33,393       28.50       33,393       28.50  
  118,029               118,029