XML 71 R56.htm IDEA: XBRL DOCUMENT v3.21.2
Leases (Details) - Schedule of weighted average remaining lease term and weighted average discount
Jul. 31, 2021
Jul. 31, 2020
Weighted average remaining lease term:    
Operating leases 2 years 244 days 1 year 153 days
Weighted average discount rate:    
Operating leases 1.00% 5.00%