Consolidated Statements Of Cash Flows (USD $)	3 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
Cash flows from operating activities:
Net loss	$ (383,000)	$ (249,000)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	55,000	64,000
Amortization	21,000	108,000
Stock-based compensation	101,000	137,000
Increase (decrease) in allowance for doubtful accounts	7,000	(3,000)
Decrease in inventory obsolescence reserve	21,000	47,000
Gain on disposal of equipment	(3,000)
Change in operating assets and liabilities:
Accounts receivable	(176,000)	1,063,000
Inventories	(207,000)	(419,000)
Prepaid expenses and other current assets	120,000	37,000
Accounts payable	(88,000)	(189,000)
Employee compensation	(256,000)	(202,000)
Deferred income	314,000	(218,000)
Warranty reserve	(7,000)	(19,000)
Other current liabilities and accrued expenses	(3,000)	9,000
Net cash (used in) provided by operating activities	(484,000)	166,000
Cash flows from investing activities:
Sales of investments		241,000
Purchases of property and equipment and intangible assets	(317,000)	(240,000)
Net cash (used in) provided by investing activities	(317,000)	1,000
Cash flows from financing activities:
Proceeds from issuance of common stock under employee stock purchase plan	68,000	11,000
Proceeds from the exercise of stock options		40,000
Repurchase of common stock		(5,000)
Repurchase of common stock upon vesting of restricted stock awards	(10,000)
Net cash provided by financing activities	58,000	46,000
Net increase in cash and cash equivalents	(743,000)	213,000
Cash and cash equivalents at beginning of period	9,665,000	9,665,000
Cash and cash equivalents at end of period	8,922,000	8,674,000
Cash paid for taxes	16,000	2,000
Supplemental non-cash items:
Current and non-current liabilities issued for leasehold improvements	$ 210,000