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Income Taxes - Components of Income before Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2020
Jan. 31, 2019
Jan. 31, 2018
Income Tax Disclosure [Abstract]      
Domestic $ 1,930 $ 6,859 $ 2,110
Foreign (560) 449 3,047
Income before Income Taxes $ 1,370 $ 7,308 $ 5,157