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Property and Equipment (Details) - USD ($)
6 Months Ended 12 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Jan. 31, 2021
Jan. 31, 2020
Property, Plant and Equipment [Abstract]        
Depreciation expense $ 90,913 $ 17,558 $ 91,338 $ 35,118