Consolidated Statements Of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2016	Jan. 31, 2015	Jan. 31, 2016	Jan. 31, 2015
Consolidate Statements of Comprehensive Income (Loss) [Abstract]
Net income	$ 448	$ 260	$ 837	$ 364
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	1	28	(1)	37
Total other comprehensive income (loss)	1	28	(1)	37
Comprehensive loss	$ 449	$ 288	$ 836	$ 401