Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands	Oct. 31, 2015	Oct. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	$ 11,352	$ 11,386
Less: accumulated amortization	(7,047)	(7,011)
Intangible assets, net	4,305	4,375
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	7,771	7,893
Customer And Distributor Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	375	429
Trademarks And Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	254	283
Software Development [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	247	620
Capitalized Software In Progress [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	$ 2,705	$ 2,161