Consolidated Statements of Operations (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2017	Jul. 31, 2016
Product	$ 611	$ 13,681	$ 3,155	$ 54,178
Service and license	4,809	4,280	24,337	20,840
Related Party [Member]
Product	100	12,000	400	37,300
Service and license	$ 1,300	$ 2,300	$ 4,200	$ 6,900