Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $) In Thousands, except Per Share data	Apr. 30, 2011	Oct. 31, 2010
Consolidated Balance Sheets (Unaudited)
Other Physical Property, accumulated depreciation	$ 768	$ 729
Trade accounts receivable , allowance for doubtful accounts	$ 4,696	$ 929
Cummulative preferred stock, no par value	$ 0.00	$ 0.00
Cummulative preferred stock, shares authorized	175	175
Common stock, no par value	$ 0.00	$ 0.00
Common stock, shares authorized	200,000	200,000
Common stock, shares outstanding	71,961	72,282