Quarterly report pursuant to Section 13 or 15(d)

Leases (Details Narrative)

v3.21.1
Leases (Details Narrative)
3 Months Ended 6 Months Ended
Apr. 30, 2021
USD ($)
ft²
Apr. 30, 2020
USD ($)
Apr. 30, 2021
USD ($)
ft²
Apr. 30, 2020
USD ($)
Rent expenses $ 16,000 $ 16,000 $ 32,000 $ 32,000
Almaden Expressway, San Jose [Member]        
Area of land | ft² 2,000   2,000  
Operating lease, expiration date     Sep. 30, 2021  
Rent expenses     $ 5,000  
Rent percentage     3.00%  
Operating lease remaining term 5 months   5 months