Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities (Tables)

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Accrued Liabilities (Tables)
6 Months Ended
Jan. 31, 2018
Payables and Accruals [Abstract]  
Schedule of Accrued Liabilities [Table Text Block] Accrued liabilities consist of the following:

    January 31,
2018
    July 31,
2017
 
Payroll, benefits, and commissions   $ 5,217     $ 4,092  
Professional fees     825       442  
Legal fee expense     1,558       599  
Research and development     143       143  
Other     1,922       1,444  
    $ 9,665     $ 6,720