Annual report pursuant to Section 13 and 15(d)

Revenues - Additional Information (Details)

v3.22.1
Revenues - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Disaggregation of Revenue [Line Items]    
Revenue remaining performance obligation amount $ 33,566  
Deferred commission expenses 1,238 $ 1,319
Deferred Revenue 12,509 7,809
Other Current Assets [Member]    
Disaggregation of Revenue [Line Items]    
Deferred commission expenses 844  
Other Noncurrent Assets [Member]    
Disaggregation of Revenue [Line Items]    
Deferred commission expenses 393  
SixCustomersMember    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customers excluding assessed tax $ 13,975 $ 13,381
SalesRevenueNetMember | CustomerConcentrationRiskMember | OneCustomersMember    
Disaggregation of Revenue [Line Items]    
Concentration risk percentage 10.00%  
SalesRevenueNetMember | CustomerConcentrationRiskMember | TwoCustomersMember    
Disaggregation of Revenue [Line Items]    
Concentration risk percentage 21.00%  
SalesRevenueNetMember | CustomerConcentrationRiskMember | SixCustomersMember    
Disaggregation of Revenue [Line Items]    
Concentration risk percentage 51.00% 46.00%
SalesRevenueNetMember | CustomerConcentrationRiskMember | Maximum [Member]    
Disaggregation of Revenue [Line Items]    
Concentration risk percentage 10.00%  
SalesRevenueNetMember | CustomerConcentrationRiskMember | Minimum [Member]    
Disaggregation of Revenue [Line Items]    
Concentration risk percentage 10.00%  
AccountsReceivableMember | CustomerConcentrationRiskMember | TwoCustomersMember    
Disaggregation of Revenue [Line Items]    
Concentration risk percentage 49.00%  
AccountsReceivableMember | CustomerConcentrationRiskMember | ThreeCustomersMember    
Disaggregation of Revenue [Line Items]    
Concentration risk percentage   85.00%
Professional Services Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customers excluding assessed tax $ 2,197 $ 4,526
Subscription Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customers excluding assessed tax 15,960 10,062
Software Subscription And Support Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customers excluding assessed tax $ 25,347 $ 24,701