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

Intangible Assets - Disclosure of Detailed Information About Movements in Carrying Amounts of Intangible Assets (Details)

v3.19.3.a.u2
Intangible Assets - Disclosure of Detailed Information About Movements in Carrying Amounts of Intangible Assets (Details) - NZD ($)
$ in Thousands
6 Months Ended
Jul. 31, 2019
Jan. 31, 2019
Jul. 31, 2018
Disclosure of detailed information about intangible assets [line items]      
Balance at the beginning of the period $ 37,864 $ 17,287  
Additions 24,957  
Disposals  
Amortisation expense (9) (111)  
Impairment (6,849) (3,867)  
Reclassification to tangible fixed assets (51)    
Foreign exchange movements 1,477 (403)  
Closing value 32,431 37,864 $ 17,287
Goodwill [Member]      
Disclosure of detailed information about intangible assets [line items]      
Balance at the beginning of the period 2,320 2,399  
Additions  
Disposals  
Amortisation expense  
Impairment (2,480)  
Reclassification to tangible fixed assets    
Foreign exchange movements 160 (79)  
Closing value 2,320 2,399
Patents and Licences [Member]      
Disclosure of detailed information about intangible assets [line items]      
Balance at the beginning of the period 25,075 217  
Additions 24,957  
Disposals  
Amortisation expense (99)  
Impairment (2,037)  
Reclassification to tangible fixed assets    
Foreign exchange movements 1,164  
Closing value 24,202 25,075 217
Brands [Member]      
Disclosure of detailed information about intangible assets [line items]      
Balance at the beginning of the period 10,205 14,395  
Additions  
Disposals  
Amortisation expense  
Impairment (2,130) (3,867)  
Reclassification to tangible fixed assets    
Foreign exchange movements 154 (323)  
Closing value 8,229 10,205 14,395
Software [Member]      
Disclosure of detailed information about intangible assets [line items]      
Balance at the beginning of the period 263 276  
Additions  
Disposals  
Amortisation expense (9) (12)  
Impairment (202) (64)
Reclassification to tangible fixed assets (51)    
Foreign exchange movements (1) (1)  
Closing value $ 263 $ 276