Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details)

v3.22.2.2
Related Party Transactions (Details) - USD ($)
3 Months Ended 6 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Jul. 31, 2022
Jul. 31, 2021
Board of Directors Chairman        
Related Party Transaction [Line Items]        
Paid to related party $ 0 $ 0 $ 400,000 $ 0