Quarterly report pursuant to Section 13 or 15(d)

Summary of warrants issued and fair values (Details)

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Summary of warrants issued and fair values (Details) - USD ($)
Jan. 31, 2023
Jan. 31, 2021
Warrants Issued 1 [Member]    
Class of Warrant or Right [Line Items]    
Temporary Equity, Shares Issued 266,666 399,998
Warrants and Rights Outstanding $ 273,196 $ 267,999
Warrants Issued 2 [Member]    
Class of Warrant or Right [Line Items]    
Temporary Equity, Shares Issued 540,000 675,000
Warrants and Rights Outstanding $ 582,904 $ 2,870,666