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

Summary of significant accounting policies (Details Narrative)

v3.21.2
Summary of significant accounting policies (Details Narrative) - USD ($)
6 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Jan. 31, 2021
Jan. 31, 2020
SummaryOfSignificantAccountingPoliciesByItemLineItems [Line Items]        
Loss after income tax from continuing operations $ 33,200,000 $ 4,899,000    
Cash flows from (used in) operating activities 5,401,000 (236,000)    
Net proceeds 244,059,000    
working capital surplus 272,100,000      
Net tangible asset 272,400,000      
Shareholder's equity 280,969,000 $ (1,130,000) $ 63,851,000 $ (4,079,000)
Cash 279,000,000.0      
Borrowings 0      
Received rent $ 300,000      
Useful lives or amortisation rates, intangible assets other than goodwill License fees have an estimated useful life of 5-50 years.      
Computer software [member]        
SummaryOfSignificantAccountingPoliciesByItemLineItems [Line Items]        
Useful lives or amortisation rates, intangible assets other than goodwill It has an estimated useful life of between one and three years.