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