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Schedule of Amortization Expense Next 5 Years (Details)
$ in Thousands
Jul. 31, 2020
USD ($)
Finite-Lived Intangible Assets [Line Items]  
2021 $ 1,299
2022 1,299
2023 1,299
2024 1,290
2025 1,070
Thereafter 1,528
Total Future Amortization $ 7,785