Annual report pursuant to Section 13 and 15(d)

Revenue from Contracts with Customers - Schedule of Revenue Disaggregated by Revenue Stream (Detail)

v3.20.1
Revenue from Contracts with Customers - Schedule of Revenue Disaggregated by Revenue Stream (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2020
Jan. 31, 2019
Disaggregation Of Revenue [Line Items]    
Total revenue $ 67,154 $ 62,402
Product [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 39,914 20,655
Professional Services [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue 6,222 13,908
Maintenance [Member]    
Disaggregation Of Revenue [Line Items]    
Total revenue $ 21,018 $ 27,839