Quarterly report pursuant to Section 13 or 15(d)

Organization and Summary of Significant Accounting Policies - Summary of Geographic Location (Details)

v3.22.1
Organization and Summary of Significant Accounting Policies - Summary of Geographic Location (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2021
Oct. 31, 2020
Organization And Summary Of Significant Accounting Policies [Line Items]        
Total revenue $ 6,913 $ 7,013 $ 19,365 $ 21,826
United States [Member]        
Organization And Summary Of Significant Accounting Policies [Line Items]        
Total revenue 6,226 6,310 17,210 20,309
International [Member]        
Organization And Summary Of Significant Accounting Policies [Line Items]        
Total revenue $ 687 $ 703 $ 2,155 $ 1,517