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Summary of Significant Accounting Policies - Schedule of Inventories (Details) - USD ($)
Jul. 31, 2019
Jan. 31, 2019
Accounting Policies [Abstract]    
Raw Materials $ 907,229 $ 556,703
Work in Process 4,530 38,769
Finished goods 553,165 800,928
Inventories $ 1,464,924 $ 1,396,400