Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Provisions (Details Narrative)

v3.19.3.a.u2
Provisions (Details Narrative)
6 Months Ended 12 Months Ended
Jul. 31, 2019
Jan. 31, 2019
Provisions [abstract]    
Pre-tax discount rate applied to provisions calculations 2.00% 2.00%