STOCKHOLDERS' EQUITY (Details) - USD ($) $ in Thousands	Jan. 31, 2016	Oct. 31, 2015	Sep. 25, 2015	Jan. 31, 2015
Preferred Stock, Shares Authorized	10,000,000	10,000,000
Preferred Stock, Shares Outstanding	8,491,695	9,025,265		0
Preferred Stock, Value, Issued	$ 10,521	$ 10,694
Preferred Stock, Liquidation Preference, Value	$ 5,608	$ 5,968
Convertible Preferred Stock Shares Issuable	17,890,125
Series A Preferred Stock [Member]
Preferred Stock, Shares Authorized	8,830,000
Preferred Stock, Shares Outstanding	8,247,065
Preferred Stock, Value, Issued	$ 2,016
Preferred Stock, Liquidation Preference, Value	$ 5,608
Convertible Preferred Stock Shares Issuable	8,247,065
Series B Preferred Stock [Member]
Preferred Stock, Shares Authorized	54,250
Preferred Stock, Shares Outstanding	54,201
Preferred Stock, Value, Issued	$ 4,569
Preferred Stock, Liquidation Preference, Value
Convertible Preferred Stock Shares Issuable	5,420,171
Series C Convertible Preferred Stock [Member]
Preferred Stock, Shares Authorized	26,000
Preferred Stock, Shares Outstanding	25,763
Preferred Stock, Value, Issued	$ 2,010
Preferred Stock, Liquidation Preference, Value
Convertible Preferred Stock Shares Issuable	2,576,353
Series D Preferred Stock [Member]
Preferred Stock, Shares Authorized	170,000
Preferred Stock, Shares Outstanding	168,333		168,333
Preferred Stock, Value, Issued	$ 1,926
Preferred Stock, Liquidation Preference, Value
Convertible Preferred Stock Shares Issuable	1,646,660
Other authorized, unissued [Member]
Preferred Stock, Shares Authorized	919,750
Preferred Stock, Shares Outstanding
Preferred Stock, Value, Issued
Preferred Stock, Liquidation Preference, Value
Convertible Preferred Stock Shares Issuable