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Summary of Significant Accounting Policies - Disclosure of Detailed Information About Estimated Useful Lives of Property, Plant and Equipment (Details)
 12 Months Ended
Jan. 31, 2021
Leasehold Improvements [Member] | Minimum [Member]  
Statement Line Items [Line Items]  
Estimated useful lives 1 year
Leasehold Improvements [Member] | Maximum [Member]  
Statement Line Items [Line Items]  
Estimated useful lives 10 years
Plant, Furniture, Fittings and Motor Vehicles [Member] | Minimum [Member]  
Statement Line Items [Line Items]  
Estimated useful lives 3 years
Plant, Furniture, Fittings and Motor Vehicles [Member] | Maximum [Member]  
Statement Line Items [Line Items]  
Estimated useful lives 7 years