Accrued Liabilities and Other Current Liabilities (Tables)

6 Months Ended

Jan. 31, 2017

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Accrued liabilities consist of the following:

	January 31, 2017		July 31, 2016
Payroll, benefits, and commissions	$	3,737	$	3,956
Legal fee expense		308		954
Professional fees		531		503
Research and development		72		300
Other		1,773		2,498
	$	6,421	$	8,211