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Condensed Consolidated Balance Sheets - Parentheticals - $ / shares
Jul. 31, 2018
Oct. 31, 2017
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 23,404,906 23,172,792
Common Stock, Shares, Outstanding 23,404,906 23,172,792
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