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Property and Equipment - Schedule of Future Minimum Payments for Capital Leases (Details)
$ in Thousands
Jul. 31, 2018
USD ($)
Property, Plant and Equipment [Abstract]  
2019 (remaining) $ 109
2020 143
2021 33
Total minimum payments 285
Less: amount representing interest (19)
Present value of minimum payments 266
Less: current portion (137)
Capital Lease, noncurrent $ 129