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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Reconciliation of Basic and Diluted Earnings (Loss) Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 12 Months Ended
Oct. 31, 2022
Jul. 31, 2022
Apr. 30, 2022
Jan. 31, 2022
Oct. 31, 2021
Jul. 31, 2021
Apr. 30, 2021
Jan. 31, 2021
Oct. 31, 2022
Oct. 31, 2021
Oct. 31, 2020
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES                      
Net income (loss) $ 1,424 $ 1,238 $ 2,029 $ 3,535 $ 2,096 $ 1,568 $ 2,437 $ 663 $ 8,226 $ 6,764 $ (6,247)
Undistributed (earnings) loss allocated to participating shares                 (97) (76) 66
Undistributed (earnings) loss allocated to participating shares                 (97) (76) 66
Net income applicable to common shareholders - Basic                 8,129 6,688 (6,181)
Net income applicable to common shareholders - Diluted                 $ 8,129 $ 6,688 $ (6,181)
Weighted average shares outstanding - Basic                 6,580 6,595 6,670
Weighted average shares outstanding - Diluted                 6,632 6,608 6,670
Stock options and contingently issuable securities                 52 13  
Income per share -Basic $ 0.22 $ 0.19 $ 0.30 $ 0.53 $ 0.31 $ 0.23 $ 0.37 $ 0.10 $ 1.24 $ 1.01 $ (0.93)
Income per share - Diluted $ 0.22 $ 0.18 $ 0.30 $ 0.53 $ 0.31 $ 0.23 $ 0.37 $ 0.10 $ 1.23 $ 1.01 $ (0.93)