XML 63 R43.htm IDEA: XBRL DOCUMENT v3.20.1
Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Apr. 30, 2020
Apr. 30, 2019
Income Tax Disclosure [Abstract]    
Provision for income taxes $ 521 $ 55
Pre-tax net loss $ 6,121 $ 2,360