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EARNINGS PER SHARE (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Jul. 31, 2021
Jul. 31, 2020
Basic        
Net income (loss) $ 1,568 $ 2,162 $ 4,668 $ (2,658)
Undistributed earnings (loss) allocated to participating shares (17) (23) (51) 28
Net income (loss) applicable to common shareholders $ 1,551 $ 2,139 $ 4,617 $ (2,630)
Weighted average shares outstanding 6,601 6,595 6,591 6,705
Income (loss) per share $ 0.23 $ 0.32 $ 0.70 $ (0.39)
Diluted        
Net income (loss) $ 1,568 $ 2,162 $ 4,668 $ (2,658)
Undistributed earnings (loss) allocated to participating shares (17) (23) (51) 28
Net income (loss) applicable to common shareholders $ 1,551 $ 2,139 $ 4,617 $ (2,630)
Weighted average shares outstanding prior to dilution effect 6,601 6,595 6,591 6,705
Stock options and contingently issuable shares 17 9 14  
Weighted average shares outstanding 6,618 6,604 6,605 6,705
Income (loss) per share $ 0.23 $ 0.32 $ 0.70 $ (0.39)