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

Fair Value Measurement - Schedule of Fair Value Measurement of Assets and Liabilities (Details)

v3.21.1
Fair Value Measurement - Schedule of Fair Value Measurement of Assets and Liabilities (Details) - NZD ($)
$ in Thousands
Jan. 31, 2021
Jan. 31, 2020
Statement Line Items [Line Items]    
Financial assets $ 92,387 $ 6,127
Recurring fair value measurement [Member] | Financial Derivative Liabilities [Member]    
Statement Line Items [Line Items]    
Financial liabilities
Recurring fair value measurement [Member] | Phantom Warrant Liabilities [Member]    
Statement Line Items [Line Items]    
Financial liabilities  
Recurring fair value measurement [Member] | Foreign Exchange Contracts [Member]    
Statement Line Items [Line Items]    
Financial assets
Financial liabilities
Level 1 of fair value hierarchy [Member] | Recurring fair value measurement [Member] | Financial Derivative Liabilities [Member]    
Statement Line Items [Line Items]    
Financial liabilities
Level 1 of fair value hierarchy [Member] | Recurring fair value measurement [Member] | Phantom Warrant Liabilities [Member]    
Statement Line Items [Line Items]    
Financial liabilities  
Level 1 of fair value hierarchy [Member] | Recurring fair value measurement [Member] | Foreign Exchange Contracts [Member]    
Statement Line Items [Line Items]    
Financial assets
Financial liabilities
Level 2 of fair value hierarchy [member] | Recurring fair value measurement [Member] | Financial Derivative Liabilities [Member]    
Statement Line Items [Line Items]    
Financial liabilities 629
Level 2 of fair value hierarchy [member] | Recurring fair value measurement [Member] | Phantom Warrant Liabilities [Member]    
Statement Line Items [Line Items]    
Financial liabilities 11,642  
Level 2 of fair value hierarchy [member] | Recurring fair value measurement [Member] | Foreign Exchange Contracts [Member]    
Statement Line Items [Line Items]    
Financial assets
Financial liabilities
Level 3 of fair value hierarchy [Member] | Recurring fair value measurement [Member] | Financial Derivative Liabilities [Member]    
Statement Line Items [Line Items]    
Financial liabilities
Level 3 of fair value hierarchy [Member] | Recurring fair value measurement [Member] | Phantom Warrant Liabilities [Member]    
Statement Line Items [Line Items]    
Financial liabilities  
Level 3 of fair value hierarchy [Member] | Recurring fair value measurement [Member] | Foreign Exchange Contracts [Member]    
Statement Line Items [Line Items]    
Financial assets
Financial liabilities