Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets -Schedule of Finite-Life Intangible Assets, Amortization Expense (Detail)

v3.21.1
Goodwill and Intangible Assets -Schedule of Finite-Life Intangible Assets, Amortization Expense (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Goodwill And Intangible Assets [Line Items]    
Amortization expense $ 1,210 $ 1,163
Selling and Marketing [Member]    
Goodwill And Intangible Assets [Line Items]    
Amortization expense 753 608
Research and Development [Member]    
Goodwill And Intangible Assets [Line Items]    
Amortization expense $ 457 $ 555