Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Summary of Cash, Cash Equivalents, and Restricted Cash Total (Detail)

v3.20.1
Summary of Significant Accounting Policies - Summary of Cash, Cash Equivalents, and Restricted Cash Total (Detail) - USD ($)
$ in Thousands
Jan. 31, 2020
Jan. 31, 2019
Jan. 31, 2018
Accounting Policies [Abstract]      
Cash and cash equivalents $ 9,013 $ 20,317  
Restricted cash 284    
Total cash, cash equivalents and restricted cash $ 9,297 $ 20,317 $ 43,661