Consolidated Balance Sheets (Parentheticals) (USD $)	Oct. 31, 2012	Oct. 31, 2011
Consolidated Balance Sheets (Unaudited)
Other Physical Property, accumulated depreciation	$ 843,000	$ 806,000
Trade Accounts Receivable, allowance for doubtful accounts	$ 1,579,000	$ 1,347,000
Cumulative preferred stock, no par value	$ 0	$ 0
Cumulative preferred stock, shares authorized	175,000	175,000
Common stock, no par value	$ 0	$ 0
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares outstanding	72,250,000	72,318,000