Basis of Presentation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2021	Jan. 31, 2020
Disaggregation of Revenue [Abstract]
Cloud software and service revenue	$ 3,226	$ 1,544	$ 4,774	$ 3,097
Product revenue	100	13	104	49
Total operating revenues	$ 3,326	$ 1,557	$ 4,878	$ 3,146