Consolidated Statements Of Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2012	Apr. 30, 2011	Apr. 30, 2012	Apr. 30, 2011
Revenues
Equipment, supplies and accessories revenues	$ 5,140	$ 5,813	$ 11,116	$ 11,957
Service revenues	1,142	987	2,225	1,896
Total revenues	6,282	6,800	13,341	13,853
Cost of revenues
Cost of equipment, supplies and accessories revenues	2,385	2,515	5,112	5,231
Cost of service revenues	416	392	766	748
Total cost of revenues	2,801	2,907	5,878	5,979
Gross margin	3,481	3,893	7,463	7,874
Operating expenses:
Selling and marketing	1,937	2,079	4,008	4,126
General and administrative	967	937	2,150	2,327
Research and development	870	902	1,736	1,663
Amortization of intangibles	109	105	217	210
Total operating expenses	3,883	4,023	8,111	8,326
Operating loss	(402)	(130)	(648)	(452)
Interest income		(2)	(4)	(10)
Loss before taxes	(402)	(128)	(644)	(442)
Provision for taxes	7	10	14	20
Net loss	(409)	(138)	(658)	(462)
Other comprehensive (loss) income, net of tax
Unrealized gain(loss) on securities	(1)		(2)	1
Comprehensive loss	$ (410)	$ (138)	$ (660)	$ (461)
Loss per share:
Basic	$ (0.11)	$ (0.04)	$ (0.17)	$ (0.12)
Diluted	$ (0.11)	$ (0.04)	$ (0.17)	$ (0.12)
Weighted average common shares outstanding:
Basic	3,797	3,772	3,789	3,763
Diluted	3,797	3,772	3,789	3,763