Subsequent Events	9 Months Ended
Jul. 31, 2017
Subsequent Events [Abstract]
Subsequent Events	15. SUBSEQUENT EVENTS On September 14, 2017, the Company announced that it has entered into securities purchase agreements with investors for the sale of $15.2 million of Series F Convertible Preferred Stock. The Investor will also receive 276,364 Warrants exercisable at $30.00 per share of common stock. The Series F Convertible Preferred stock converts at $27.50 per share into a total of 552,727 shares of common stock, upon conversion.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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