Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Weighted average assumptions used in estimating the fair value of stock options

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Weighted average assumptions used in estimating the fair value of stock options - $ / shares
12 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Weighted average assumptions used in estimating the fair value of stock options [Abstract]    
Weighted average fair value at grant date (in Dollars per share) $ 3.87 $ 3.31
Valuation assumptions:    
Expected life (years) 5 years 171 days 5 years 270 days
Expected volatility 116.72% 124.94%
Risk-free interest rate 1.61% 2.80%
Expected dividend yield 0.00% 0.00%