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Basic and Diluted Net Loss per Share - Schedule of Net (Loss) Income per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Basic net loss per common share:    
Net loss applicable to common stock $ (4,333) $ (6,552)
Effect of unvested, restricted stock (18) (17)
Numerator: Net loss for basic EPS $ (4,351) $ (6,569)
Denominator: Weighted average common shares–basic (in shares) 17,405,000 17,579,000
Basic net loss per common share (in dollars per share) $ (0.25) $ (0.37)
Diluted net loss per common share:    
Numerator: Net loss for diluted EPS $ (4,351) $ (6,569)
Denominator: Weighted average common shares–basic (in shares) 17,405,000 17,579,000
Effect of dilutive unvested, restricted stock and preferred stock (in shares) 0 0
Denominator: Weighted average common shares–diluted (in shares) 17,405,000 17,579,000
Diluted net loss per common share (in dollars per share) $ (0.25) $ (0.37)