Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011
Current Assets:
Cash and cash equivalents	$ 9,665	$ 8,461
Short-term investments		723
Accounts receivable, net of allowance for doubtful accounts of $98 and $96, respectively	5,860	5,958
Inventories, net of obsolescence reserve of $373 and $431, respectively	3,850	3,688
Prepaid expenses and other current assets	418	235
Current assets of discontinued operations		62
Total current assets	19,793	19,127
Property and equipment, net of accumulated depreciation of $3,876 and $3,709, respectively	578	440
Intangible assets, net	1,492	1,174
Other non-current assets	85
Non-current assets of discontinued operations		31
Total Assets	21,948	20,772
Current Liabilities:
Accounts payable	2,094	2,022
Employee compensation	1,749	1,481
Deferred income	1,927	1,771
Warranty reserve	91	141
Other current liabilities and accrued expenses	442	221
Total current liabilities	6,303	5,636
Long-term Liabilities:
Long-term deferred income and other	895	817
Total Liabilities	7,198	6,453
Commitments and Contingencies
Shareholders' Equity:
Common stock, $0.10 par value, authorized 25,000,000 shares, 3,986,350 and 3,905,648 shares issued and 3,885,279 and 3,778,796 shares outstanding in 2012 and 2011, respectively	388	378
Undesignated shares, authorized 5,000,000 shares, no shares issued and outstanding
Additional paid-in capital	21,046	20,622
Accumulated deficit	(6,684)	(6,683)
Accumulated other comprehensive income		2
Total Shareholders' Equity	14,750	14,319
Total Liabilities and Shareholders' Equity	$ 21,948	$ 20,772