Accrued Liabilities (Tables)

12 Months Ended

Jul. 31, 2019

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

At July 31, accrued liabilities consist of:

	2019		2018
Payroll, benefits, and commissions	$	5,123	$	4,870
Professional fees		774		811
Legal		164		2,121
Other		2,301		2,252
	$	8,362	$	10,054