Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities (Details) - Accrued liabilities

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Accrued Liabilities (Details) - Accrued liabilities - USD ($)
$ in Thousands
Oct. 31, 2017
Jul. 31, 2017
Accrued liabilities [Abstract]    
Payroll, benefits, and commissions $ 6,437 $ 4,092
Professional fees 554 442
Legal fee expense 327 599
Research and development 143 143
Other 1,852 1,444
$ 9,313 $ 6,720