Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3
Significant Accounting Policies - Summary of Cash, Cash Equivalents, and Restricted Cash Total (Detail) - USD ($)
$ in Thousands
Oct. 31, 2019
Jan. 31, 2019
Oct. 31, 2018
Jan. 31, 2018
Accounting Policies [Abstract]        
Cash and cash equivalents $ 5,598   $ 21,554  
Restricted cash 289   543  
Total cash, cash equivalents and restricted cash $ 5,887 $ 20,317 $ 22,097 $ 43,661