Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Derivative on Convertible Notes - Disclosure of Detailed Information About Derivative on Convertible Notes (Details)

v3.19.2
Derivative on Convertible Notes - Disclosure of Detailed Information About Derivative on Convertible Notes (Details) - NZD ($)
$ in Thousands
Jan. 31, 2019
Jan. 31, 2018
Jan. 31, 2017
Disclosure Of Derivative On Convertible Notes [Abstract]      
Derivative on Convertible Notes $ 1,110 $ 4,112