CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2018	Jan. 31, 2017	Jan. 31, 2018	Jan. 31, 2017
Net loss	$ (901)	$ (1,053)	$ (1,541)	$ (2,527)
Other comprehensive loss:
Foreign currency translation adjustments	(578)	(16)	(495)	238
Comprehensive loss	$ (1,479)	$ (1,069)	$ (2,036)	$ (2,289)