Consolidated Statements of Operations Consolidated Statements of Operations Parentheticals - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Product sales	$ 15,424	$ 20,221	$ 40,497	$ 53,639
Service agreements and license revenues	10,573	4,618	16,893	8,489
Advanced technologies contract revenues	2,584	3,761	4,673	8,142
Related Party [Member]
Product sales	12,500	16,100	25,300	38,200
Service agreements and license revenues	2,300	2,900	4,600	4,800
Advanced technologies contract revenues	$ 0	$ 200	$ 0	$ 600