Fair Value - Schedule of Fair Value Assumptions of Warrants and Embedded Conversion Feature (Details) - Monte Carlo Simulation [Member] - $ / shares		12 Months Ended
	Mar. 05, 2018	Oct. 31, 2017
Measurement Input, Stock Price [Member] | Warrant Liability [Member]
Fair value assumptions, measurement input, per share	$ 20.05	$ 25.87
Measurement Input, Exercise Price [Member] | Warrant Liability [Member]
Fair value assumptions, measurement input, per share	$ 30.00	$ 30.00
Measurement Input, Risk Free Interest Rate [Member] | Warrant Liability [Member]
Fair value assumptions, measurement input, percentages	2.20%	1.60%
Measurement Input, Price Volatility [Member] | Warrant Liability [Member]
Fair value assumptions, measurement input, percentages	88.20%	96.00%
Measurement Input, Expected Term [Member] | Warrant Liability [Member]
Fair value assumptions, measurement input, term	1 year 6 months	1 year 10 months 25 days
Series F Conversion Feature [Member] | Measurement Input, Stock Price [Member]
Fair value assumptions, measurement input, per share	$ 20.05	$ 25.87
Series F Conversion Feature [Member] | Measurement Input, Exercise Price [Member]
Fair value assumptions, measurement input, per share	$ 27.50	$ 27.50
Series F Conversion Feature [Member] | Measurement Input, Risk Free Interest Rate [Member]
Fair value assumptions, measurement input, percentages	2.20%	1.60%
Series F Conversion Feature [Member] | Measurement Input, Price Volatility [Member]
Fair value assumptions, measurement input, percentages	88.20%	96.00%
Series F Conversion Feature [Member] | Measurement Input, Expected Term [Member]
Fair value assumptions, measurement input, term	1 year 6 months	1 year 10 months 25 days