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

Accumulated Losses - Disclosure of Detailed Information About Retained Earnings Accumulated Losses (Details)

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Accumulated Losses - Disclosure of Detailed Information About Retained Earnings Accumulated Losses (Details) - NZD ($)
$ in Thousands
7 Months Ended 12 Months Ended
Jan. 31, 2017
Jan. 31, 2019
Jan. 31, 2018
Jun. 30, 2016
Accumulated Losses        
(Accumulated losses)/retained earnings at the beginning of ther period $ (18,859) $ (72,431) $ (34,838)  
Loss for the period (15,979) (49,220) (37,593) $ (20,746)
Accumulated losses at the end of ther period $ (34,838) $ (121,651) $ (72,431) $ (18,859)