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2. Basis of Presentation and Significant Accounting Policies: Capitalized Software Development Costs (Details) - USD ($)
3 Months Ended 12 Months Ended
Jan. 31, 2021
Jan. 31, 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 $ 688,000  
Capitalized Software Development Costs      
Impairment Of Long Lived Assets, Held For Use (Rounded)     $ 6,134,000