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Earnings Per Share - Computations for Basic and Diluted Net (Loss) Income Per Common Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2019
Basic net loss per common share:      
Net loss applicable to common stock $ (3,942) $ (16,936) $ (6,444)
Effect of unvested, restricted stock (35) (44) (51)
Numerator: Net loss for basic EPS $ (3,977) $ (16,980) $ (6,495)
Denominator: Weighted-average common shares-basic (in shares) 17,555 17,666 17,580
Basic net loss per common share (in dollars per share) $ (0.23) $ (0.96) $ (0.37)
Diluted net loss per common share:      
Numerator: Net loss for diluted EPS $ (3,977) $ (16,980) $ (6,495)
Weighted average common shares-basic (in shares) 17,555 17,666 17,580
Effect of dilutive unvested, restricted stock and preferred stock (in shares) 0 0 0
Denominator: Weighted average common shares - diluted (in shares) 17,555 17,666 17,580
Diluted net loss per common share (in dollars per share) $ (0.23) $ (0.96) $ (0.37)