Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
Significant Accounting Policies - Summary of Cash, Cash Equivalents, and Restricted Cash (Detail) - USD ($)
$ in Thousands
Apr. 30, 2020
Jan. 31, 2020
Apr. 30, 2019
Jan. 31, 2019
Accounting Policies [Abstract]        
Cash and cash equivalents $ 6,187   $ 14,697  
Restricted cash 200      
Total cash, cash equivalents and restricted cash $ 6,387 $ 9,297 $ 14,697 $ 20,317