XML 78 R58.htm IDEA: XBRL DOCUMENT v3.23.1
Summary of Significant Accounting Policies - Advertising Costs (Details) - USD ($)
12 Months Ended
Jan. 31, 2023
Jan. 31, 2022
Jan. 31, 2021
Accounting Policies [Abstract]      
Advertising Expense $ 0 $ 0 $ 0