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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, 2023
Jul. 31, 2023
Apr. 30, 2023
Jan. 31, 2023
Oct. 31, 2022
Jul. 31, 2022
Apr. 30, 2022
Jan. 31, 2022
Oct. 31, 2023
Oct. 31, 2022
Oct. 31, 2021
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES                      
Net Income (Loss) $ 2,422 $ 260 $ 377 $ 1,330 $ 1,424 $ 1,238 $ 2,029 $ 3,535 $ 4,389 $ 8,226 $ 6,764
Undistributed earnings allocated to participating shares- Basic                 (61) (97) (76)
Undistributed earnings allocated to participating shares - Diluted                 (61) (97) (76)
Net income applicable to common shareholders - Basic                 4,328 8,129 6,688
Net income applicable to common shareholders - Diluted                 $ 4,328 $ 8,129 $ 6,688
Weighted average shares outstanding - Basic                 6,499 6,580 6,595
Weighted average shares outstanding - Diluted                 6,528 6,632 6,608
Stock options and contingently issuable securities                 29 52 13
Income per share -Basic $ 0.37 $ 0.04 $ 0.06 $ 0.20 $ 0.22 $ 0.19 $ 0.30 $ 0.53 $ 0.67 $ 1.24 $ 1.01
Income per share - Diluted $ 0.36 $ 0.04 $ 0.06 $ 0.20 $ 0.22 $ 0.18 $ 0.30 $ 0.53 $ 0.66 $ 1.23 $ 1.01