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Concentration of Risk (Details Narrative) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Cash balances in banks in the United States of America $ 4.2  
Cash balances in foreign bank accounts 37.0  
Uninsured amount $ 40.5  
Major Customer [Member]    
Concentration risk of net sales 10.00% 10.00%
Major Supplier [Member]    
Concentration risk of net sales 10.00% 10.00%