Quarterly report pursuant to Section 13 or 15(d)

Summary of warrants issued and fair values (Details)

v3.22.2.2
Summary of warrants issued and fair values (Details) - USD ($)
Jul. 31, 2022
Jan. 31, 2021
Oct. 31, 2020
Warrants Issued 1 [Member]      
Class of Warrant or Right [Line Items]      
Temporary Equity, Shares Issued 266,666   399,998
Warrants and Rights Outstanding $ 557,297   $ 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 $ 1,143,122 $ 2,870,666