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2. Basis of Presentation and Significant Accounting Policies: Liquidity (Details) - USD ($)
9 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Current Assets Exceed Current Liabilities, Excluding Deferred Revenue $ 8,000  
Proceeds from notes payable - related party 0 $ 1,435,000
Stockholders' Equity (Rounded) 11,159,000  
Impairment Of Long Lived Assets, Held For Use (Rounded) 21,000  
Existing Gilbert Note    
Notes Payable, Related Parties, Noncurrent (Rounded) $ 10,692,000