Quarterly report pursuant to Section 13 or 15(d)

Revenues - Additional Information (Details)

v3.22.2.2
Revenues - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Jul. 31, 2022
Jul. 31, 2021
Jan. 31, 2022
Disaggregation of Revenue [Line Items]          
Revenue remaining performance obligation amount $ 44,887   $ 44,887    
Deferred commission expenses 2,140   2,140   $ 1,238
Other Current Assets [Member]          
Disaggregation of Revenue [Line Items]          
Deferred commission expenses 945   945    
Other Noncurrent Assets [Member]          
Disaggregation of Revenue [Line Items]          
Deferred commission expenses 1,195   1,195    
Two Customers [Member]          
Disaggregation of Revenue [Line Items]          
Revenue from contract with customers excluding assessed tax     $ 2,943 $ 2,702  
Sales Revenue Net [Member] | Customer Concentration Risk [Member] | Two Customers [Member]          
Disaggregation of Revenue [Line Items]          
Concentration risk percentage     23.00% 22.00%  
Sales Revenue Net [Member] | Customer Concentration Risk [Member] | Minimum [Member]          
Disaggregation of Revenue [Line Items]          
Concentration risk percentage     10.00%    
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Two Customers [Member]          
Disaggregation of Revenue [Line Items]          
Concentration risk percentage     32.00%   49.00%
Subscription Revenue [Member]          
Disaggregation of Revenue [Line Items]          
Revenue from contract with customers excluding assessed tax 5,203 $ 3,209 $ 10,418 $ 7,086  
Product Subscription And Support Revenue [Member]          
Disaggregation of Revenue [Line Items]          
Revenue from contract with customers excluding assessed tax $ 6,214 $ 5,770 $ 12,657 $ 11,907