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Goodwill and Intangible Assets: Estimated amortization expense (Details) - USD ($)
Oct. 31, 2019
Jul. 31, 2019
Dec. 28, 2017
Goodwill and Intangible Assets Disclosure [Abstract]      
2020 $ 570,708 $ 434,117  
2021 616,744 434,118  
2022 246,324 164,895  
2023 94,511 30,787  
2024 68,491 11,138  
Thereafter 444,658 7,898  
Total $ 2,041,435 $ 1,082,952 $ 276,380