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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Jul. 31, 2022
Jul. 31, 2021
Income Tax Disclosure [Abstract]        
(Provision for) benefit from income taxes $ (664) $ (285) $ (1,012) $ (472)