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2. Basis of Presentation and Significant Accounting Policies: Capitalized Software Development Costs (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Apr. 30, 2021
Apr. 30, 2020
Apr. 30, 2021
Apr. 30, 2020
Oct. 31, 2020
Impairment Of Long Lived Assets, Held For Use (Rounded)         $ 9,874,000
Payments to Develop Software     $ 0 $ 489,000  
Capitalized Computer Software, Amortization $ 121,000 $ 520,000 $ 243,000 $ 1,208,000  
Capitalized Software Development Costs          
Impairment Of Long Lived Assets, Held For Use (Rounded)         $ 6,134,000