Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Oct. 31, 2011	Oct. 31, 2010
ASSETS
Cash and cash equivalents	$ 8,461	$ 6,943
Short-term investments	723	2,721
Accounts receivable, net of allowance for doubtful accounts of $96 and $100, respectively	5,958	5,221
Inventories, net of obsolescence reserve of $431 and $599, respectively	3,750	3,697
Prepaid expenses and other current assets	235	270
Total Current Assets	19,127	18,852
Noncurrent investments		722
Property and equipment, net of accumulated depreciation of $3,735 and $3,649, respectively	444	528
Intangible assets, net	1,201	1,279
Total Assets	20,772	21,381
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable	2,022	1,951
Employee compensation	1,481	2,115
Deferred income	1,771	1,522
Warranty reserve	141	175
Other current liabilities and accrued expenses	221	408
Total Current Liabilities	5,636	6,171
Long-term Liabilities:
Long-term deferred income and other	817	873
Total Liabilities	6,453	7,044
Commitments and Contingencies (Notes 11 and 17)
Shareholders' Equity:
Common Stock, $0.10 par value, authorized 25,000,000 shares, 3,905,648 and 3,862,113 shares issued and 3,778,796 and 3,747,454 shares outstanding at 2011 and 2010, respectively	378	375
Undesignated shares, authorized 5,000,000 shares, no shares issued and outstanding
Additional paid-in capital	20,622	20,486
Accumulated deficit	(6,683)	(6,531)
Accumulated other comprehensive income	2	7
Total Shareholders' Equity	14,319	14,337
Total Liabilities and Shareholders' Equity	$ 20,772	$ 21,381