Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities (Tables)

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Accrued Liabilities (Tables)
3 Months Ended
Oct. 31, 2017
Payables and Accruals [Abstract]  
Schedule of Accrued Liabilities [Table Text Block] Accrued liabilities consist of the following:

    October 31,
2017
    July 31,
2017
 
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