Condensed Consolidated Balance Sheets - Parentheticals - USD ($) $ in Thousands	Apr. 30, 2017	Oct. 31, 2016
Allowance for Doubtful Accounts Receivable, Current	$ 836	$ 790
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	17,875,242	17,614,057
Common Stock, Shares, Outstanding	17,875,242	17,614,057
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0