Quarterly report pursuant to Section 13 or 15(d)

Nature of Business and Basis of Presentation - Additional Information (Detail)

v3.22.2.2
Nature of Business and Basis of Presentation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2022
Jul. 31, 2022
Jan. 31, 2022
Jul. 31, 2021
Jan. 31, 2021
Significant Accounting Policies [Line Items]          
Cash $ 14,336 $ 14,336 $ 17,528 $ 18,933 $ 5,856
Restricted cash 290 $ 290 $ 328 $ 350 $ 228
Number of consecutive business day below closing minimum bid requirement   30 days      
Minimum bid price requirement   $ 1.00      
Period granted to regain compliance with minimum bid requirement   180 days      
Nasdaq stock trading price description   the Company has been given 180 calendar days, or until December 14, 2022, to regain compliance with the Minimum Bid Price Requirement. If at any time before December 14, 2022, the bid price of the Company’s common stock closes at $1.00 per share or more for a minimum of 10 consecutive business days, the Staff will provide written confirmation that the Company has achieved compliance      
Additional period to be granted If fails to regain compliance with minimum bid requirement prior to expiration period   180 days      
Transaction costs 382 $ 1,198      
Merger Agreement [Member]          
Significant Accounting Policies [Line Items]          
Transaction costs $ 400 $ 1,200