STOCKHOLDERS' EQUITY (Details) - USD ($) $ in Thousands	Jul. 31, 2016	Oct. 31, 2015
Preferred Stock, Shares Authorized	10,000,000	10,000,000
Preferred Stock, Shares Issued and Outstanding	7,374,454	9,025,265
Preferred Stock, Value, Issued	$ 10,153	$ 10,694
Preferred Stock, Liquidation Preference, Value	$ 4,854	$ 5,968
Common Shares Issuable Upon Conversion	2,783,000
Series A Preferred Stock [Member]
Preferred Stock, Shares Authorized	8,830,000
Preferred Stock, Shares Issued and Outstanding	7,138,158
Preferred Stock, Value, Issued	$ 1,745
Preferred Stock, Liquidation Preference, Value	$ 4,854
Common Shares Issuable Upon Conversion	1,189,693
Series B Preferred Stock [Member]
Preferred Stock, Shares Authorized	54,250
Preferred Stock, Shares Issued and Outstanding	54,201
Preferred Stock, Value, Issued	$ 4,569
Preferred Stock, Liquidation Preference, Value	$ 0
Common Shares Issuable Upon Conversion	903,362
Series C Preferred Stock [Member]
Preferred Stock, Shares Authorized	26,000
Preferred Stock, Shares Issued and Outstanding	25,763
Preferred Stock, Value, Issued	$ 2,010
Preferred Stock, Liquidation Preference, Value	$ 0
Common Shares Issuable Upon Conversion	429,392
Series D Preferred Stock [Member]
Preferred Stock, Shares Authorized	170,000
Preferred Stock, Shares Issued and Outstanding	156,332
Preferred Stock, Value, Issued	$ 1,829
Preferred Stock, Liquidation Preference, Value	$ 0
Common Shares Issuable Upon Conversion	260,553
Other authorized, unissued [Member]
Preferred Stock, Shares Authorized	919,750
Preferred Stock, Shares Issued and Outstanding	0
Preferred Stock, Value, Issued	$ 0
Preferred Stock, Liquidation Preference, Value	$ 0
Common Shares Issuable Upon Conversion	0