Basis of Presentation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2020	Jan. 31, 2019
Disaggregation of Revenue [Abstract]
Cloud software and services revenue	$ 1,544	$ 1,449	$ 3,097	$ 2,885
Product revenue	13	37	49	123
Total operating revenues	$ 1,557	$ 1,486	$ 3,146	$ 3,008