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Commitments and Contingencies - Schedule of Royalty Minimum Payment by Preceding Agreement Year (Details) - USD ($)
3 Months Ended 6 Months Ended
Jul. 31, 2019
Jul. 31, 2018
Jul. 31, 2019
Jul. 31, 2018
Minimum royalty to be paid $ 104,380 $ 70,993 $ 220,846 $ 200,856
Agreement Year 1st and 2nd [Member]        
Minimum royalty to be paid      
Agreement Year 3rd and 4th [Member]        
Minimum royalty to be paid     50,000  
Agreement Year 5th, 6th and 7th [Member]        
Minimum royalty to be paid     75,000  
Agreement Year 8th and 9th [Member]        
Minimum royalty to be paid     100,000  
Agreement Year 10th and Thereafter [Member]        
Minimum royalty to be paid     $ 125,000