Segment Reporting (Schedule of Net Sales By Geographic Area) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012
Revenue from unaffiliated customers	$ 7,563	$ 5,603	$ 14,571	$ 12,031
United States [Member]
Revenue from unaffiliated customers	6,333	4,557	11,596	9,593
Americas [Member]
Revenue from unaffiliated customers	518	240	1,232	969
Europe, Middle East, Africa [Member]
Revenue from unaffiliated customers	393	430	959	843
Asia Pacific [Member]
Revenue from unaffiliated customers	$ 319	$ 376	$ 784	$ 626