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CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) - USD ($)
shares in Thousands, $ in Thousands
Jan. 31, 2020
Oct. 31, 2019
Statement of Financial Position [Abstract]    
Allowances of accounts receivable $ 3,920 $ 3,366
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 100,000 100,000
Common stock, shares issued 17,614 17,595
Common stock, shares outstanding 17,614 17,595