Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012
Revenues
Equipment, supplies and accessories revenues	$ 6,611	$ 5,876	$ 18,777	$ 15,738
Service revenues	1,317	1,019	3,722	3,188
Total revenues	7,928	6,895	22,499	18,926
Cost of revenues
Cost of equipment, supplies and accessories	3,154	2,835	8,985	7,564
Cost of service revenues	384	354	1,092	1,086
Total cost of revenues	3,538	3,189	10,077	8,650
Gross margin	4,390	3,706	12,422	10,276
Operating expenses:
Selling and marketing	2,152	2,132	6,372	5,558
General and administrative	973	913	3,605	2,988
Research and development	591	825	1,878	2,455
Amortization of intangibles	5	112	16	329
Total operating expenses	3,721	3,982	11,871	11,330
Operating income (loss)	669	(276)	551	(1,054)
Interest income		3	1	7
Income (loss) from continuing operations before taxes	669	(273)	552	(1,047)
Provision for taxes	17	7	31	21
Income (loss) from continuing operations	652	(280)	521	(1,068)
Discontinued operations
Income from discontinued operations		147		277
Net income (loss)	652	(133)	521	(791)
Other comprehensive income (loss); net of tax
Unrealized loss on securities				(2)
Comprehensive income (loss)	$ 652	$ (133)	$ 521	$ (793)
Income (loss) per share:
Basic - From continuing operations	$ 0.16	$ (0.07)	$ 0.13	$ (0.28)
Basic - From discontinued operations		$ 0.04		$ 0.07
Basic - Total	$ 0.16	$ (0.03)	$ 0.13	$ (0.21)
Diluted - From continuing operations	$ 0.16	$ (0.07)	$ 0.13	$ (0.28)
Diluted - From discontinued operations		$ 0.04		$ 0.07
Diluted - Total	$ 0.16	$ (0.03)	$ 0.13	$ (0.21)
Weighted average common shares outstanding:
Basic	4,015	3,847	3,945	3,808
Diluted	4,083	3,847	4,009	3,808
Dividends declared per share			$ 0.45