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Events Occurring After the Reporting Date (Details Narrative)
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 11, 2021
NZD ($)
$ / shares
shares
Feb. 24, 2021
NZD ($)
$ / shares
shares
Feb. 09, 2021
NZD ($)
Feb. 01, 2021
NZD ($)
$ / shares
shares
Apr. 30, 2021
shares
May 16, 2021
NZD ($)
Jan. 31, 2021
NZD ($)
Jan. 31, 2020
NZD ($)
Jan. 31, 2019
NZD ($)
Feb. 25, 2021
$ / shares
shares
Jan. 31, 2021
$ / shares
Statement Line Items [Line Items]                      
Proceeds from issuance of stock             $ 93,693,000 $ 12,586,000 $ 23,248,000    
Repayment of debt             3,400,000 2,100,000 18,489,000    
Interest             200,000        
Debt issuance fees             $ 322,000    
Warrant exercise price | $ / shares                     $ 0.37
Events occurring after reporting date [Member]                      
Statement Line Items [Line Items]                      
Repayment of debt           $ 14,500,000          
Events occurring after reporting date [Member] | Prior Note issued in April 2021 [Member]                      
Statement Line Items [Line Items]                      
Number of shares issued | shares                   4,002,789  
Addtional shares issued for prospectus | shares                   3,403,703  
Events occurring after reporting date [Member] | Prior Note issued in April 2021 [Member] | October Prospectus [Member]                      
Statement Line Items [Line Items]                      
Number of shares issued | shares                   599,086  
Events occurring after reporting date [Member] | Prior Note issued in April 2021 [Member] | Minimum [Member]                      
Statement Line Items [Line Items]                      
Share price | $ / shares                   $ 4.00  
Events occurring after reporting date [Member] | Prior Note issued in April 2021 [Member] | Maximum [Member]                      
Statement Line Items [Line Items]                      
Share price | $ / shares                   $ 0.60  
Events occurring after reporting date [Member] | Securities Purchase Agreement [Member]                      
Statement Line Items [Line Items]                      
Number of shares issued | shares 117,647,059 107,526,882                  
Events occurring after reporting date [Member] | Securities Purchase Agreement [Member] | Ordinary shares [member]                      
Statement Line Items [Line Items]                      
Number of shares issued | shares 117,647,059 107,526,882                  
Events occurring after reporting date [Member] | Securities Purchase Agreement [Member] | Warrants [Member]                      
Statement Line Items [Line Items]                      
Number of shares issued | shares 117,647,059 107,526,882                  
Events occurring after reporting date [Member] | US [Member] | Securities Purchase Agreement [Member]                      
Statement Line Items [Line Items]                      
Share price | $ / shares $ 0.85 $ 0.93                  
Proceeds from issuance of stock $ 95,000,000 $ 100,000,000                  
Warrant exercise price | $ / shares $ 0.935 $ 1.13                  
Events occurring after reporting date [Member] | Maxim Group LLC [Member]                      
Statement Line Items [Line Items]                      
Number of shares issued | shares       29,415,000              
Events occurring after reporting date [Member] | Maxim Group LLC [Member] | US [Member]                      
Statement Line Items [Line Items]                      
Share price | $ / shares       $ 1.70              
Proceeds from issuance of stock       $ 46,920,170              
Events occurring after reporting date [Member] | Bank of New Zealand [Member]                      
Statement Line Items [Line Items]                      
Repayment of debt     $ 14,779,607                
Interest     17,436                
Debt issuance fees     $ 262,171                
Events occurring after reporting date [Member] | Esousa Holdings LLC, Streterville Capital LLC and Aquitas [Member]                      
Statement Line Items [Line Items]                      
Number of shares acquired | shares         99,787,027