Derivative Liability (Details Narrative) - USD ($)			3 Months Ended		12 Months Ended
	Nov. 23, 2015	Oct. 23, 2015	Oct. 31, 2016	Oct. 31, 2015	Jul. 31, 2016
Proceeds from private placement
Warrants liabilities			1,961,000
Derivative liabilities			1,961,000		$ 1,802,000
Change in fair value of warrant liability			$ 159,000	$ 43,000
Bridge Loan [Member]
Stock price			$ 1.10
Warrant expiration warrant exercise price			$ 0.20
Fair value assumption of historical stock price volatility			55.89%
Fair value assumption of risk free interest rate			0.20%
Fair value assumption of warrant expiration term			1 month 24 days
Warrants liabilities			$ 9,000
Number of warrants issued for bridge loan financing			132,420
Warrants outstanding			9,709
2015 Private Placement Financing [Member]
Number of warrants issued			20,376,219
2015 Private Placement Financing [Member] | Six-Month Warrant [Member]
Warrants to purchase of common stock shares	2,820,670
Number of warrants issued					2,820,670
2015 Private Placement Financing [Member] | October Closing Date [Member] | Five Years [Member]
Warrants to purchase of common stock shares		6,666,666
Warrant term		5 years
2015 Private Placement Financing [Member] | October Closing Date [Member] | Six Months [Member]
Warrants to purchase of common stock shares		8,666,666
Warrant term		6 months
2015 Private Placement Financing [Member] | November Closing Date [Member]
Fair value of warrants			$ 2,820,670
Stock price			$ 1.10
Warrant expiration warrant exercise price			$ 0.45
Fair value assumption of historical stock price volatility			90.00%
Fair value assumption of risk free interest rate			1.20%
Fair value assumption of warrant expiration term			4 years 1 month 6 days
Warrants liabilities			$ 1,952,000
Warrants outstanding			2,222,217
2015 Private Placement Financing [Member] | November Closing Date [Member] | Five Years [Member]
Warrants to purchase of common stock shares	2,222,217
Warrant term	5 years
2015 Private Placement Financing [Member] | November Closing Date [Member] | Six Months [Member]
Warrant term	6 months
Private Placement Financing [Member] | October Closing Date [Member]
Proceeds from private placement			$ 6,000,000
Other expenses			1,008,000
Derivative liabilities			$ 7,008,000
Private Placement Financing [Member] | October Closing Date [Member] | Six Months [Member]
Warrant term					6 months
Private Placement Financing [Member] | November Closing Date [Member] | Five Years [Member]
Warrant term					5 years