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Commitments and Contingencies (Details 1) $ in Thousands | Jul. 31, 2017 USD ($)
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Year ending July 31: |
2018 | $ 902
2019 | 1,043
2020 | 1,079
2021 | 940
2022 | 843
Thereafter | 2,791
Total minimum future rentals | $ 7,598

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