Annual report pursuant to Section 13 and 15(d)

Stock Repurchase Program - Summary of Share Repurchase Activity (Detail)

v3.21.1
Stock Repurchase Program - Summary of Share Repurchase Activity (Detail) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Equity [Abstract]    
Shares repurchased   100,000
Average cost per share   $ 1.42
Value of shares repurchased $ 80 $ 142