|12 Months Ended|
Jan. 31, 2019
|Disclosure of finance lease and operating lease by lessor [abstract]|
The Group sub leases its US and Australian premises under a commercial lease. These non-cancellable leases have terms between 1 and 6 years. All leases include an option for the Group to increase rent to current market rental on an annual basis.
The future minimum lease payments under non-cancellable leases are: