Intangible Assets (Schedule Of Intangible Assets) (Details) (USD $)	Jul. 31, 2013	Oct. 31, 2012
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets	$ 8,837,000	$ 8,172,000
Less: accumulated amortization	(6,766,000)	(6,680,000)
Intangible assets, net	2,071,000	1,492,000
Developed Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets	6,852,000	6,806,000
Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets	61,000	61,000
Software [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets	560,000
Capitalized Software In Progress [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible Assets	$ 1,364,000	$ 1,305,000