Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments (Tables)

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Derivative Instruments (Tables)
9 Months Ended
Jul. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Warrants Activity

A summary of changes in warrants for the nine months ended July 31, 2017 is as follows:

 

    Number of     Weighted-Average  
    Warrants     Exercise Price  
Outstanding Warrants at October 31, 2016:     3,110,575     $ 5.04  
Issued     -     $ -  
Exercised     (225 )   $ 5.00  
Expired     (16,177 )   $ 10.63  
Outstanding Warrants at July 31, 2017     3,094,173     $ 5.01  

Schedule of Fair Value of Warrant Liability

In determining the fair value of the warrant liability at July 31, 2017 and October 31, 2016, the Company used the following inputs in its BSM:

 

    July 31, 2017     October 31, 2016  
Exercise Price   $ 18.75     $ 10.63-18.75  
Stock Price   $ 6.47     $ 8.09  
Expected term     0.01 years       0.55-0.75 years  
Expected Volatility     67.34 %     81.84%-87.09 %
Risk Free Interest Rate     1.00 %     0.51%-0.66 %