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LEASES (Details Narrative)
1 Months Ended 3 Months Ended 9 Months Ended
Aug. 31, 2021
Jul. 31, 2021
USD ($)
ft²
Jul. 31, 2020
USD ($)
Jul. 31, 2021
USD ($)
ft²
Jul. 31, 2020
USD ($)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]          
Rent expenses   $ 16,000 $ 16,000 $ 48,000 $ 48,000
Subsequent Event [Member]          
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]          
Lease extension In August 2021 the lease was extended until September 30, 2024 under substantially the same terms as the existing lease.        
Almaden Expressway, San Jose [Member]          
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]          
Area of land | ft²   2,000   2,000  
Operating lease, expiration date       Sep. 30, 2021  
Rent expenses       $ 5,000  
Percentage of annual increase in rent       3.00%  
Operating lease remaining term   2 months   2 months