Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED COMPENSATION (Details) - Employee Stock Purchase Plan

v3.20.1
STOCK BASED COMPENSATION (Details) - Employee Stock Purchase Plan - Employee Stock Purchase Plan [Member] - USD ($)
6 Months Ended
Apr. 30, 2020
Apr. 30, 2019
STOCK BASED COMPENSATION (Details) - Employee Stock Purchase Plan [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent 85.00%  
Stock Issued During Period, Shares, Employee Stock Purchase Plans (in Shares) 9,618 5,411
Stock Issued During Period, Value, Employee Stock Purchase Plan $ 15,000 $ 19,000