Income Taxes - Components of Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Current:
Federal	$ 1,272	$ 660	$ 1,807
State	224	221	457
Foreign	420	368	952
Current Income Tax Expense	1,916	1,249	3,216
Deferred:
Federal	(910)	(1,364)	(843)
State	(189)	(282)	(170)
Foreign	78	8	(625)
Deferred Income Tax Expense Total	(1,021)	(1,638)	(1,638)
Total	$ 895	$ (389)	$ 1,578

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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