Quarterly report pursuant to Section 13 or 15(d)

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

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Significant Accounting Policies - Summary of Cash, Cash Equivalents and Restricted Cash Total (Detail) - USD ($)
$ in Thousands
Apr. 30, 2023
Jan. 31, 2023
Apr. 30, 2022
Jan. 31, 2022
Jan. 31, 2021
Accounting Policies [Abstract]          
Cash and cash equivalents $ 13,790 $ 13,415 $ 16,465 $ 17,528  
Restricted cash 322 311 305 328  
Total cash, cash equivalents and restricted cash $ 14,112 $ 13,726 $ 16,770 $ 17,856 $ 17,856