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Goodwill and Intangible Assets: Estimated amortization expense (Details)
Jul. 31, 2020
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]  
2021 $ 923,897
2022 654,189
2023 520,564
2024 500,914
2025 458,202
Thereafter 5,334
Total $ 3,063,099