Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments - Schedule of Fair Value of Warrant Liability (Details)

v3.7.0.1
Derivative Instruments - Schedule of Fair Value of Warrant Liability (Details) - $ / shares
9 Months Ended 12 Months Ended
Jul. 31, 2017
Oct. 31, 2016
Exercise Price $ 18.75  
Stock Price $ 6.47 $ 8.09
Expected term 4 days  
Expected Volatility 67.34%  
Risk Free Interest Rate 1.00%  
Minimum [Member]    
Exercise Price   $ 10.63
Expected term   6 months 18 days
Expected Volatility   81.84%
Risk Free Interest Rate   0.51%
Maximum [Member]    
Exercise Price   $ 18.75
Expected term   9 months
Expected Volatility   87.09%
Risk Free Interest Rate   0.66%