Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Additional Information (Detail)

v3.21.2
Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)
6 Months Ended 12 Months Ended
Jul. 31, 2021
Jan. 31, 2021
Goodwill And Intangible Assets Disclosure [Abstract]    
Goodwill impairment $ 0 $ 0
Future estimated amortization expense $ 622,000 $ 1,272,000