Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Oct. 31, 2015	Oct. 31, 2014
Statement of Financial Position [Abstract]
Other Physical Property accumulated depreciation	$ 926	$ 904
Allowance for doubtful accounts	$ 1,648	$ 2,152
Cumulative preferred stock par value	$ 0	$ 0
Cumulative preferred stock shares authorized	175,000	175,000
Common stock par value	$ 0	$ 0
Common stock shares authorized	200,000,000	200,000,000
Common stock shares outstanding	80,883,000	78,531,000