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Schedule of Royalty Minimum Payment by Preceding Agreement Year (Details) - USD ($)
3 Months Ended 6 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Jul. 31, 2022
Jul. 31, 2021
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Royalty expenses $ 124,940 $ 143,540 $ 274,975 $ 291,976
Agreement Year 1st and 2nd [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Royalty expenses      
Agreement Year 3rd and 4th [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Royalty expenses     50,000  
Agreement Year 5th, 6th and 7th [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Royalty expenses     75,000  
Agreement Year 8th and 9th [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Royalty expenses     100,000  
Agreement Year 10th and Thereafter [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Royalty expenses     $ 125,000