Summary Financial Information Related to RF Neulink (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012
Summary Financial Information Related to RF Neulink [Line Items]
Net sales	$ 36,625	$ 27,687
Cost of sales	20,660	15,554
Gross profit (loss)	15,965	12,133
Operating expenses	9,187	8,064
Operating income (loss)	6,778	4,069
Provision (benefit) for income taxes	1,830	1,499
Income (loss) from discontinued operations, net of tax	(1,140)	4
RF Neulink
Summary Financial Information Related to RF Neulink [Line Items]
Net sales	1,230	2,545
Cost of sales	1,609	1,444
Gross profit (loss)	(379)	1,101
Operating expenses	1,400	1,095
Operating income (loss)	(1,779)	6
Provision (benefit) for income taxes	(639)	2
Income (loss) from discontinued operations, net of tax	$ (1,140)	$ 4