Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $) In Thousands, except Per Share data, unless otherwise specified	Apr. 30, 2012	Oct. 31, 2011
Accounts receivable, allowance for bad debts (in Dollars)	$ 465	$ 402
Investment in sales-type leases and notes receivable, allowance for bad debts (in Dollars)	26	44
Investment in sales-type leases and notes receivable, current portion and allowance for bad debts (in Dollars)	$ 2	$ 5
Common stock par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	151,368	151,368
Common stock, shares issued	55,698	54,196
Common stock, shares outstanding	55,698	54,196