Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities (Tables)

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Accrued Liabilities (Tables)
9 Months Ended
Apr. 30, 2018
Payables and Accruals [Abstract]  
Schedule of Accrued Liabilities [Table Text Block] Accrued liabilities consist of the following:

    April 30,
2018
    July 31,
2017
 
Payroll, benefits, and commissions   $ 4,343     $ 4,092  
Legal fee expense     2,401       599  
Professional fees     764       442  
Research and development           143  
Other     2,287       1,444  
    $ 9,795     $ 6,720